Exodus:6:28-12
dby@Exodus:6:28 @ And it came to pass on the day when Jehovah spoke to Moses in the land of Egypt,
dby@Exodus:6:29 @ that Jehovah spoke to Moses, saying, I am Jehovah: speak thou unto Pharaoh king of Egypt all that I say unto thee.
dby@Exodus:6:30 @ And Moses said before Jehovah, Behold, I am of uncircumcised lips, and how will Pharaoh hearken unto me?