Answer:
18 'For Abraham will certainly become a great and mighty nation, and all the nations of the earth will be blessed through him. 19 I have singled him out so that he will direct his sons and their families to keep the way of the LORD by doing what is right and just. Then I will do for Abraham all that I have promised. '
Explanation:
It teaches us Abraham believed and trusted God, and from there, Abraham's wife, Sarah, trusted him. Abraham believed that God was omnipresent, omnipotent, omni-benevolent, and omniscient. He trusts that God wants the best for everyone, and he has faith in God.