Exodus 6:29-30 Young's Literal Translation Of The Holy Bible (YLT98)

29. that Jehovah speaketh unto Moses, saying, `I [am] Jehovah, speak unto Pharaoh king of Egypt all that I am speaking unto thee.'

30. And Moses saith before Jehovah, `Lo, I [am] of uncircumcised lips, and how doth Pharaoh hearken unto me?'