Rabbi Kalish -"Parshas לך לך" - "The "חתם סופר" - EARTH SHATTERING Yesod!!! (Brought in the פיתוחי חותם regarding the passuk of -" וה' אמר:"המכסה אני מאברהם אשר אני עושה?!" - About נבואה & the difference between the "Revelation" דרגה that אברהם אבינו was capable of unlike the Prophets: ירמיה , ישעיה, & יחזקאל.. And the UNBELIEVABLE reason and yesod WHY??!!-"& -" The 2 ESSENTIAL components and aspects of kiruv and how we MUST engage in both"! -Build big!! But BECOME Big" the (Official title) -"Motzei Shabbos Shiur ; Kiruv - Help Others!") ! (To be honest, this is probably the most important מקור & the most UNBELIEVABLE חידוש from the חתם סופר I've EVER heard in my life!!! I went out of my כלים!) Life Altering shiur!! (A MUST (×100,000) Listen!!!) Shiur #17 - FS = (Foundations Series).