Lyric discussion by DamienFord 

Cover art for I Am lyrics by Ginny Owens

Yeah, what they said. Owens is using biblical characters and speaking as if she were them. It's a perception of whatever you believe God may be telling you to do, trust in Him to carry you through it, because He will. If you think God is asking you to do something crazy and impossible, imagine how Moses, David, and Merry felt...