אגרת הקדש סימן ז’ 4 All Yidden must do all Mitzvos (and learn all of Torah) as תורה אחת ומצוה אחתצ לכולנא and still there is זהיר טפי in each time and Gilgul these differences are called “חלק” each Yid’s portion in Yiddishkeit and cannot be explained logically, thus, it is also called גורל.

אגרת הקדש סימן ז’ 1 1) introduction: what do terms like חלק (portion) and גורל (lottery) mean in Yiddishkeit (if all of it is all of ours)? 2) Beginning of discussion on what it means for Yaakov to call Hashem א-ל אלוקי ישראל in so personal a way 3) סובב light is the same everywhere,…