Канал: R' Eli Classics

NY Shiur introduction by R’ Eli Stefansky

NY Shiur introduction by R’ Eli Stefansky

Daf Yomi Chagigah Daf 13 The Lion and the Eagle

Daf Yomi Chagigah Daf 13 The Lion and the Eagle

Daf Yomi Chagigah Daf 12 First understand the basics

Daf Yomi Chagigah Daf 12 First understand the basics

Daf Yomi Chagigah Daf 11 Remembering the seven Noachide laws

Daf Yomi Chagigah Daf 11 Remembering the seven Noachide laws

Daf Yomi Chagigah Daf 09 A little bit of Time and Effort

Daf Yomi Chagigah Daf 09 A little bit of Time and Effort

Daf Yomi Chagigah Daf 09 I'm walking out of this hospital

Daf Yomi Chagigah Daf 09 I'm walking out of this hospital

Daf Yomi Chagigah Daf 07 Hashem Loves YOU

Daf Yomi Chagigah Daf 07 Hashem Loves YOU

Daf Yomi Moed Katan Daf 27 - The Power of words

Daf Yomi Moed Katan Daf 27 - The Power of words

The Last Opportunity until 2025! JoinDafYomi.com

The Last Opportunity until 2025! JoinDafYomi.com

Daf Yomi Moed Katan Daf 23 - ROI

Daf Yomi Moed Katan Daf 23 - ROI

Daf Yomi Moed Katan Daf 23 - making a Siyum

Daf Yomi Moed Katan Daf 23 - making a Siyum

Daf Yomi Moed Katan Daf 16 - Fill my bucket

Daf Yomi Moed Katan Daf 16 - Fill my bucket

Daf Yomi Moed Katan Daf 15 - Parsha

Daf Yomi Moed Katan Daf 15 - Parsha

Daf Yomi Moed Katan Daf 14 Chol OR Moed?

Daf Yomi Moed Katan Daf 14 Chol OR Moed?

Daf Yomi Moed Katan Daf 9 - More Valuable than Diamonds

Daf Yomi Moed Katan Daf 9 - More Valuable than Diamonds

Daf Yomi Moed Katan Daf 08 Yevomos is going to be EASY

Daf Yomi Moed Katan Daf 08 Yevomos is going to be EASY

Daf Yomi Moed Katan Daf 08 R' Eli

Daf Yomi Moed Katan Daf 08 R' Eli

Moshe Margulies at Stamford Hill Siyum Megillah

Moshe Margulies at Stamford Hill Siyum Megillah

Daf Yomi Megillah Daf 23 - How to Bow

Daf Yomi Megillah Daf 23 - How to Bow

Daf Yomi Taanis Daf 27 by R’ Eli Stefansky - One Person To Torah

Daf Yomi Taanis Daf 27 by R’ Eli Stefansky - One Person To Torah

Rosh Hashana 07 - Value of a Mitzvah

Rosh Hashana 07 - Value of a Mitzvah

Beitzah Daf 40 - R' Dovid Kaplan

Beitzah Daf 40 - R' Dovid Kaplan

Beitzah Daf 36 - Just drink wine!

Beitzah Daf 36 - Just drink wine!

Beitzah Daf 36 - Grab it by the tale

Beitzah Daf 36 - Grab it by the tale

Beitzah Daf 36 - Being poor

Beitzah Daf 36 - Being poor

Beitzah Daf 36 - Acting normal

Beitzah Daf 36 - Acting normal

Beitzah Daf 34 - An investment tip

Beitzah Daf 34 - An investment tip

Beitzah Daf 34 - The chicken and Reb Nissim Karelitz

Beitzah Daf 34 - The chicken and Reb Nissim Karelitz

Daf Yomi Yoma Daf 81 - Worst day of the year #Short

Daf Yomi Yoma Daf 81 - Worst day of the year #Short

Succah Daf 52 - the greatest antidote

Succah Daf 52 - the greatest antidote

Succah Daf 52 - Lev Tahor

Succah Daf 52 - Lev Tahor

Succah Daf 52 - I was trying to learn

Succah Daf 52 - I was trying to learn

Succah Daf 51 - Tell the women to stay home

Succah Daf 51 - Tell the women to stay home

Succah Daf 51 - But we've been here 600 years

Succah Daf 51 - But we've been here 600 years

Daf Yomi Yoma Daf 06 - Your spouse is tailored made for You

Daf Yomi Yoma Daf 06 - Your spouse is tailored made for You

Succah Daf 46 - If you don't learn it

Succah Daf 46 - If you don't learn it

Succah Daf 42 - Kehilas Yaacov

Succah Daf 42 - Kehilas Yaacov

Succah Daf 42 - We gotta move on

Succah Daf 42 - We gotta move on

Daf Yomi Yoma Daf 86 - Big secret of Torah

Daf Yomi Yoma Daf 86 - Big secret of Torah

Daf Yomi Yoma Daf 86 - Some things are just

Daf Yomi Yoma Daf 86 - Some things are just

Daf Yomi Yoma Daf 86 - Trabina Rov

Daf Yomi Yoma Daf 86 - Trabina Rov

Daf Yomi Yoma Daf 85 - The best way to live life

Daf Yomi Yoma Daf 85 - The best way to live life

Daf Yomi Yoma Daf 85 - You have to ask machilah

Daf Yomi Yoma Daf 85 - You have to ask machilah

Daf Yomi Yoma Daf 85 - Nothing stands in the way of tshuvah

Daf Yomi Yoma Daf 85 - Nothing stands in the way of tshuvah

Daf Yomi Yoma Daf 85 - Dr Eli Stefansky

Daf Yomi Yoma Daf 85 - Dr Eli Stefansky

Daf Yomi Yoma Daf 85 - Are you satisfied with your life

Daf Yomi Yoma Daf 85 - Are you satisfied with your life

Daf Yomi Yoma Daf 85 - Equals half a days learning

Daf Yomi Yoma Daf 85 - Equals half a days learning

Daf Yomi Yoma Daf 81 - Eating Eruv Yom Kippur

Daf Yomi Yoma Daf 81 - Eating Eruv Yom Kippur

Daf Yomi Yoma Daf 81 - R' Eli does it different

Daf Yomi Yoma Daf 81 - R' Eli does it different

Daf Yomi Yoma Daf 81 - Worst day of the year

Daf Yomi Yoma Daf 81 - Worst day of the year

Daf Yomi Yoma Daf 81 - Easy Daf

Daf Yomi Yoma Daf 81 - Easy Daf

Daf Yomi Yoma Daf 81 - Not a typical Daf

Daf Yomi Yoma Daf 81 - Not a typical Daf

Daf Yomi Yoma Daf 81 - Five minutes before shkiah

Daf Yomi Yoma Daf 81 - Five minutes before shkiah

Daf Yomi Yoma Daf 79 - I didn't come to this world to be Yotzei

Daf Yomi Yoma Daf 79 - I didn't come to this world to be Yotzei

Daf Yomi Yoma Daf 78 - 600 Days

Daf Yomi Yoma Daf 78 - 600 Days

Daf Yomi Yoma Daf 77 - Your Actions have an Effect

Daf Yomi Yoma Daf 77 - Your Actions have an Effect

Daf Yomi Yoma Daf 75 - Stop wasting your time

Daf Yomi Yoma Daf 75 - Stop wasting your time

Daf Yomi Yoma Daf 75 - If she says NO NO NO

Daf Yomi Yoma Daf 75 - If she says NO NO NO

Daf Yomi Yoma Daf 75 - Krach Fun De Pickle

Daf Yomi Yoma Daf 75 - Krach Fun De Pickle

Daf Yomi Yoma Daf 74 - My Inspiration

Daf Yomi Yoma Daf 74 - My Inspiration

Daf Yomi Yoma Daf 74 - Whos who

Daf Yomi Yoma Daf 74 - Whos who

Daf Yomi Yoma Daf 74 - Kids Mimic

Daf Yomi Yoma Daf 74 - Kids Mimic

Daf Yomi Yoma Daf 74 - Stolen Watch

Daf Yomi Yoma Daf 74 - Stolen Watch

Daf Yomi Yoma Daf 74 - How I met my Wife

Daf Yomi Yoma Daf 74 - How I met my Wife

Daf Yomi Yoma Daf 73 - How to read

Daf Yomi Yoma Daf 73 - How to read

Daf Yomi Yoma Daf 73 - Eidus Hashem

Daf Yomi Yoma Daf 73 - Eidus Hashem

Daf Yomi Yoma Daf 73 - My Perfect Life

Daf Yomi Yoma Daf 73 - My Perfect Life

Daf Yomi Yoma Daf 72 - Not like tefilin

Daf Yomi Yoma Daf 72 - Not like tefilin

Daf Yomi Yoma Daf 69 - Vehi Sheamda

Daf Yomi Yoma Daf 69 - Vehi Sheamda

Daf Yomi Yoma Daf 69 - Shatnez

Daf Yomi Yoma Daf 69 - Shatnez

Daf Yomi Yoma Daf 68 - Kibbud Av v'Eim

Daf Yomi Yoma Daf 68 - Kibbud Av v'Eim

Daf Yomi Yoma Daf 67 - One day We'll understand everything

Daf Yomi Yoma Daf 67 - One day We'll understand everything

Daf Yomi Yoma Daf 67 - My father and diapers

Daf Yomi Yoma Daf 67 - My father and diapers

Daf Yomi Yoma Daf 66 - Is that a YU tune

Daf Yomi Yoma Daf 66 - Is that a YU tune

Daf Yomi Yoma Daf 66 - My davening was better because of YOU

Daf Yomi Yoma Daf 66 - My davening was better because of YOU

Daf Yomi Yoma Daf 65 - Better than an Email

Daf Yomi Yoma Daf 65 - Better than an Email

Daf Yomi Yoma Daf 65 - I don't want to be like Yankel

Daf Yomi Yoma Daf 65 - I don't want to be like Yankel

Daf Yomi Yoma Daf 65 - Sold Out

Daf Yomi Yoma Daf 65 - Sold Out

Daf Yomi Yoma Daf 65 - $200

Daf Yomi Yoma Daf 65 - $200

Daf Yomi Yoma Daf 65 - Goyish Birthdays

Daf Yomi Yoma Daf 65 - Goyish Birthdays

Daf Yomi Yoma Daf 64 - We don't reject kids

Daf Yomi Yoma Daf 64 - We don't reject kids

Daf Yomi Yoma Daf 64 - Bris Lottery

Daf Yomi Yoma Daf 64 - Bris Lottery

Daf Yomi Yoma Daf 64 - The power of Believing

Daf Yomi Yoma Daf 64 - The power of Believing

Daf Yomi Yoma Daf 64 - A dress for when Moshiach comes

Daf Yomi Yoma Daf 64 - A dress for when Moshiach comes

Daf Yomi Yoma Daf 64 - Which Safer Torah?

Daf Yomi Yoma Daf 64 - Which Safer Torah?

Daf Yomi Yoma Daf 64 - Aleph, Beis, Gimmel

Daf Yomi Yoma Daf 64 - Aleph, Beis, Gimmel

Daf Yomi Yoma Daf 63 - Lets do breakfast

Daf Yomi Yoma Daf 63 - Lets do breakfast

Daf Yomi Yoma Daf 63 - Achdus through Torah

Daf Yomi Yoma Daf 63 - Achdus through Torah

Daf Yomi Yoma Daf 63 - Taking out the garbage

Daf Yomi Yoma Daf 63 - Taking out the garbage

Daf Yomi Yoma Daf 59 - Vatranus with a twist

Daf Yomi Yoma Daf 59 - Vatranus with a twist

Daf Yomi Yoma Daf 59 - Eli the box maker

Daf Yomi Yoma Daf 59 - Eli the box maker

Daf Yomi Yoma Daf 59 - Korach

Daf Yomi Yoma Daf 59 - Korach

Daf Yomi Yoma Daf 59 - Scales

Daf Yomi Yoma Daf 59 - Scales

Daf Yomi Yoma Daf 59 - Tall and Fat

Daf Yomi Yoma Daf 59 - Tall and Fat

Daf Yomi Yoma Daf 59 - Two Kohen Godels

Daf Yomi Yoma Daf 59 - Two Kohen Godels

Daf Yomi Yoma Daf 59 - Up or Down

Daf Yomi Yoma Daf 59 - Up or Down

Daf Yomi Yoma Daf 58 - Pancakes

Daf Yomi Yoma Daf 58 - Pancakes

Daf Yomi Yoma Daf 58 - Drinking Blood

Daf Yomi Yoma Daf 58 - Drinking Blood

Daf Yomi Yoma Daf 58 - Live blood application demonstration

Daf Yomi Yoma Daf 58 - Live blood application demonstration

Daf Yomi Yoma Daf 57 - He needs to leave

Daf Yomi Yoma Daf 57 - He needs to leave

Daf Yomi Yoma Daf 57 - When in Rome

Daf Yomi Yoma Daf 57 - When in Rome

Daf Yomi Yoma Daf 57 - Fool playing the lottery

Daf Yomi Yoma Daf 57 - Fool playing the lottery

Daf Yomi Yoma Daf 56 - Our brothers and friends

Daf Yomi Yoma Daf 56 - Our brothers and friends

Daf Yomi Yoma Daf 56 - Tchum and the pool

Daf Yomi Yoma Daf 56 - Tchum and the pool

Daf Yomi Yoma Daf 51 - Akiva Solway

Daf Yomi Yoma Daf 51 - Akiva Solway

Daf Yomi Yoma Daf 55 - He wore a Boss suit

Daf Yomi Yoma Daf 55 - He wore a Boss suit

Daf Yomi Yoma Daf 54 - Stefansky brought a knife to yeshiva

Daf Yomi Yoma Daf 54 - Stefansky brought a knife to yeshiva

Daf Yomi Yoma Daf 54 - The Chossons in town!

Daf Yomi Yoma Daf 54 - The Chossons in town!

Daf Yomi Yoma Daf 54 - Love Sick for H shem

Daf Yomi Yoma Daf 54 - Love Sick for H shem

Daf Yomi Yoma Daf 54 - Why such a language

Daf Yomi Yoma Daf 54 - Why such a language

Daf Yomi Yoma Daf 54 - Pictures in the bencher

Daf Yomi Yoma Daf 54 - Pictures in the bencher

Daf Yomi Yoma Daf 53 - Secret to my success

Daf Yomi Yoma Daf 53 - Secret to my success

Daf Yomi Yoma Daf 53 - Three steps

Daf Yomi Yoma Daf 53 - Three steps

Daf Yomi Yoma Daf 53 - Davening and Flying

Daf Yomi Yoma Daf 53 - Davening and Flying

Daf Yomi Yoma Daf 49 - We all have pros and cons and can’t be perfect

Daf Yomi Yoma Daf 49 - We all have pros and cons and can’t be perfect

Daf Yomi Yoma Daf 52 - Direct relationship

Daf Yomi Yoma Daf 52 - Direct relationship

Daf Yomi Yoma Daf 52 - Caring for others

Daf Yomi Yoma Daf 52 - Caring for others

Daf Yomi Yoma Daf 51 - Time for Aliyah

Daf Yomi Yoma Daf 51 - Time for Aliyah

Daf Yomi Yoma Daf 48 - Kemitza live demo

Daf Yomi Yoma Daf 48 - Kemitza live demo

Daf Yomi Yoma Daf 46 - Every day

Daf Yomi Yoma Daf 46 - Every day

Daf Yomi Yoma Daf 42 - Vilna Goans Neder

Daf Yomi Yoma Daf 42 - Vilna Goans Neder

Daf Yomi Yoma Daf 42 - One of my favorite lines in Shas

Daf Yomi Yoma Daf 42 - One of my favorite lines in Shas

Daf Yomi Yoma Daf 41 - Kinim

Daf Yomi Yoma Daf 41 - Kinim

Daf Yomi Yoma Daf 41 - Gsmak to learn the daf

Daf Yomi Yoma Daf 41 - Gsmak to learn the daf

Daf Yomi Yoma Daf 40 - Awesome

Daf Yomi Yoma Daf 40 - Awesome

Daf Yomi Yoma Daf 39 - He came in but not out!!

Daf Yomi Yoma Daf 39 - He came in but not out!!

Daf Yomi Yoma Daf 38 - Why help him out

Daf Yomi Yoma Daf 38 - Why help him out

Daf Yomi Yoma Daf 38 - Whats in a name

Daf Yomi Yoma Daf 38 - Whats in a name

Daf Yomi Yoma Daf 38 - In Every Generation

Daf Yomi Yoma Daf 38 - In Every Generation

Daf Yomi Yoma Daf 38 - We are choshuv

Daf Yomi Yoma Daf 38 - We are choshuv

Daf Yomi Yoma Daf 38 - Bad Shiduch

Daf Yomi Yoma Daf 38 - Bad Shiduch

Daf Yomi Yoma Daf 38 - Most named in Shas

Daf Yomi Yoma Daf 38 - Most named in Shas

Daf Yomi Yoma Daf 37 - The Rogatchover

Daf Yomi Yoma Daf 37 - The Rogatchover

Daf Yomi Yoma Daf 37 - Karlin Stolin

Daf Yomi Yoma Daf 37 - Karlin Stolin

Daf Yomi Yoma Daf 35- You can't get rid of that Dog

Daf Yomi Yoma Daf 35- You can't get rid of that Dog

Daf Yomi Yoma Daf 35- He could be playing kugeluch

Daf Yomi Yoma Daf 35- He could be playing kugeluch

Daf Yomi Yoma Daf 35- This is...

Daf Yomi Yoma Daf 35- This is...

Daf Yomi Yoma Daf 35- What's going on here

Daf Yomi Yoma Daf 35- What's going on here

Daf Yomi Yoma Daf 35- Too busy to learn

Daf Yomi Yoma Daf 35- Too busy to learn

Daf Yomi Yoma Daf 35- Stop pushing the train

Daf Yomi Yoma Daf 35- Stop pushing the train

Daf Yomi Yoma Daf 35- Push of a button

Daf Yomi Yoma Daf 35- Push of a button

Daf Yomi Yoma Daf 35- I learn b'iyun

Daf Yomi Yoma Daf 35- I learn b'iyun

Daf Yomi Yoma Daf 35- Recruit

Daf Yomi Yoma Daf 35- Recruit

Daf Yomi Yoma Daf 35 - Excuses Excuses Excuses

Daf Yomi Yoma Daf 35 - Excuses Excuses Excuses

Daf Yomi Yoma Daf 34 - Obligation vs Chesed

Daf Yomi Yoma Daf 34 - Obligation vs Chesed

Daf Yomi Yoma Daf 34 - The chevra singing והיא שעמדה

Daf Yomi Yoma Daf 34 - The chevra singing והיא שעמדה

Daf Yomi Yoma Daf 31 - Driving empty

Daf Yomi Yoma Daf 31 - Driving empty

Daf Yomi Yoma Daf 30 - shrapnel

Daf Yomi Yoma Daf 30 - shrapnel

Daf Yomi Yoma Daf 32 - 310 Times

Daf Yomi Yoma Daf 32 - 310 Times

Daf Yomi Yoma Daf 31 - Does your father learn the Daf

Daf Yomi Yoma Daf 31 - Does your father learn the Daf

Daf Yomi Yoma Daf 31 - Don't get up

Daf Yomi Yoma Daf 31 - Don't get up

Daf Yomi Yoma Daf 31 - Yehuda Kranczer

Daf Yomi Yoma Daf 31 - Yehuda Kranczer

Daf Yomi Yoma Daf 30 - Bidet

Daf Yomi Yoma Daf 30 - Bidet

Daf Yomi Yoma Daf 30 - How to remember

Daf Yomi Yoma Daf 30 - How to remember

Daf Yomi Yoma Daf 30 - Not a classic

Daf Yomi Yoma Daf 30 - Not a classic

Daf Yomi Yoma Daf 30 - Singing

Daf Yomi Yoma Daf 30 - Singing

Daf Yomi Yoma Daf 26 - It's all in your head!!

Daf Yomi Yoma Daf 26 - It's all in your head!!

Daf Yomi Yoma Daf 29 - Don't ask questions

Daf Yomi Yoma Daf 29 - Don't ask questions

Daf Yomi Yoma Daf 29 - Learning wiith Rashbi

Daf Yomi Yoma Daf 29 - Learning wiith Rashbi

Daf Yomi Yoma Daf 29 - Power of Tehillim

Daf Yomi Yoma Daf 29 - Power of Tehillim

Daf Yomi Yoma Daf 29 - א לי א לי למה עזבתני

Daf Yomi Yoma Daf 29 - א לי א לי למה עזבתני

Daf Yomi Yoma Daf 27 - מאד מאד

Daf Yomi Yoma Daf 27 - מאד מאד

Daf Yomi Yoma Daf 25 - White Shorts

Daf Yomi Yoma Daf 25 - White Shorts

Daf Yomi Yoma Daf 25 - Worse than I thought

Daf Yomi Yoma Daf 25 - Worse than I thought

Daf Yomi Yoma Daf 24 - Karliner Rebbe

Daf Yomi Yoma Daf 24 - Karliner Rebbe

Daf Yomi Yoma Daf 23 - Broygus

Daf Yomi Yoma Daf 23 - Broygus

Daf Yomi Yoma Daf 23 - Cohens clothes

Daf Yomi Yoma Daf 23 - Cohens clothes

Daf Yomi Yoma Daf 23 - Dont hold a grudge

Daf Yomi Yoma Daf 23 - Dont hold a grudge

Daf Yomi Yoma Daf 23 - Happiest day of your life

Daf Yomi Yoma Daf 23 - Happiest day of your life

Daf Yomi Yoma Daf 23 - Mooch

Daf Yomi Yoma Daf 23 - Mooch

Daf Yomi Yoma Daf 23 - Nachman Seltzer

Daf Yomi Yoma Daf 23 - Nachman Seltzer

Daf Yomi Yoma Daf 23 - Save the knife

Daf Yomi Yoma Daf 23 - Save the knife

Daf Yomi Yoma Daf 23 - Sisters last wish

Daf Yomi Yoma Daf 23 - Sisters last wish

Daf Yomi Yoma Daf 23 - Zalman Tzvi puzzle master

Daf Yomi Yoma Daf 23 - Zalman Tzvi puzzle master

Daf Yomi Yoma Daf 22 - Get up early

Daf Yomi Yoma Daf 22 - Get up early

Daf Yomi Yoma Daf 22 - Born Perfect

Daf Yomi Yoma Daf 22 - Born Perfect

Daf Yomi Yoma Daf 22 - No numbers

Daf Yomi Yoma Daf 22 - No numbers

Daf Yomi Yoma Daf 22 - ל`ה

Daf Yomi Yoma Daf 22 - ל`ה

Daf Yomi Yoma Daf 21 - Getting Out Of A Ticket

Daf Yomi Yoma Daf 21 - Getting Out Of A Ticket

Daf Yomi Yoma Daf 21 - Bowing at the Churva

Daf Yomi Yoma Daf 21 - Bowing at the Churva

Pesachim Daf 020 - Your child

Pesachim Daf 020 - Your child

Pesachim Daf 021 - Al hanisim

Pesachim Daf 021 - Al hanisim

Pesachim Daf 019 - It is so deep

Pesachim Daf 019 - It is so deep

Pesachim Daf 022 - A great shidduch

Pesachim Daf 022 - A great shidduch

Pesachim Daf 002 - Introduction to the new guys

Pesachim Daf 002 - Introduction to the new guys

Pesachim Daf 003 - The power of controlling your speech

Pesachim Daf 003 - The power of controlling your speech

Pesachim Daf 004 - A mezuza protection!!

Pesachim Daf 004 - A mezuza protection!!

Pesachim Daf 007 - Why do we get hungry

Pesachim Daf 007 - Why do we get hungry

Pesachim Daf 010 - Birthday blessing from R Eli

Pesachim Daf 010 - Birthday blessing from R Eli

Pesachim Daf 010 - white mice and black mice

Pesachim Daf 010 - white mice and black mice

Pesachim Daf 013 - Be clean!!

Pesachim Daf 013 - Be clean!!

Pesachim Daf 014 - Intro to Tumah

Pesachim Daf 014 - Intro to Tumah

Pesachim Daf 014 - Purity and COVID

Pesachim Daf 014 - Purity and COVID

Daf Yomi Yoma Daf 19 - Chafina

Daf Yomi Yoma Daf 19 - Chafina

Daf Yomi Yoma Daf 19 - Bas Kol

Daf Yomi Yoma Daf 19 - Bas Kol

Pesachim Daf 016 - A question kills no one

Pesachim Daf 016 - A question kills no one

Pesachim Daf 016 - Mentioning things!!

Pesachim Daf 016 - Mentioning things!!

Pesachim Daf 017 - a thousand points reward

Pesachim Daf 017 - a thousand points reward

Pesachim Daf 018 - a mouse in earthen ware vessel

Pesachim Daf 018 - a mouse in earthen ware vessel

Pesachim Daf 018 - strong and weak Tumah

Pesachim Daf 018 - strong and weak Tumah