After eating bread we recite a prayer called Birkas Hamazon. One of the ways we merit all the good that comes from this prayer is by saying it with true feelings of gratitude. When a person feels genuine appreciation, the power of his words becomes infinitely greater. In the first section of Birkas HaMazon, we acknowledge that G-d is the One who gives us our livelihood. We need to understand what that truly means. The Gemara speaks about a Hallel called Hallel HaGadol, the G