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