Exodus 4:1, 10, 13
Exodus 4:1 And Moses answered and said, But, behold, they will not believe me, nor hearken unto my voice: for they will say, The Lord hath not appeared unto thee. 10 I MC VC
Exodus 4:10 And Moses said unto the Lord, O my Lord, I am not eloquent, neither heretofore, nor since thou hast spoken unto thy servant: but I am slow of speech, and of a slow tongue. 12 I MC VC
Exodus 4:13 And he said, O my Lord, send, I pray thee, by the hand of him whom thou wilt send. 10 I MC VC
Exodus 5:22~23
Exodus 5:22 And Moses returned unto the Lord, and said, Lord, wherefore hast thou so evil entreated this people? why is it that thou hast sent me? 12 I MC VC
Exodus 5:23 For since I came to Pharaoh to speak in thy name, he hath done evil to this people; neither hast thou delivered thy people at all. 12 I MC VC