that the LORD spoke to Moses, saying, "I am the LORD. Speak to Pharaoh king of Egypt all that I say to you."
Exodus 6:29
Surrounding context
6:28 And it came to pass, on the day the LORD spoke to Moses in the land of Egypt,
6:29 that the LORD spoke to Moses, saying, "I am the LORD. Speak to Pharaoh king of Egypt all that I say to you."
6:30 But Moses said before the LORD, "Behold, I am of uncircumcised lips, and how shall Pharaoh heed me?"