Rabbi Kalish - "Ridgidness" -"The Great Virtue & Value of Rigidity" [Thd Middos of שמאי & הלל].
(and finding the balance).
An absolutely CRUCIAL , EXTREMELY And CRITICALLY fundamental principle & a tremendous yesod for life!
A MUST LISTEN (/KNOW)! (Especially understanding Rabbi Kalish's approach to this sugya)!
Shiur #62 - FS = (Foundations Series).