He discovered his father's plan after he asked where the lamb was for the burnt offering
[DOC] [TLE] Genesis 12-22 Abraham's Struggle to Believe [PAR] He was so blessed, called by God, specially chosen, spoke to God face to face, ... 
Abram took all his excess baggage with him -- his family -- father, nephew .... 
according to Abram's plan, he thought that he would ask God a question.