Gemara:

Berachot 

Halacha:

Shabbat,  Tefillah 

Collections: R' Grunstein Lack of Davening on Shabbat

References: Berachot: 48B  

Description

In the Shabbat benching/Grace after Meals, there are many requests. Do you need to change the language of the benching so not to petition G-d on Shabbat, or are routine requests, said every day, different in this respect?