Gemara:

Menachot 

Halacha:

Brachot,  Shabbat,  Yom Tov 

Yerushalmi:

Berachos 

Collections: R' Grunstein 100 Berachot per Day

References: Menachot: 43B  

Description

Is there an actual OBLIGATION to say 100 Berachot per day, and if you come up short, you need to fill it in, or is it a natrual occurance that should happen based on our daily routine, and if you come up short, no need to fill in the gap.