Exodus 6:29-30

New King James Version

²⁹ that the Lord spoke to Moses, saying, “I am the Lord. ^(A)Speak to Pharaoh king of Egypt all that I say to you.”

³⁰ But Moses said before the Lord, “Behold, ^(B)I am ^[a]of uncircumcised lips, and how shall Pharaoh heed me?”