Exodus 6:10-12

Young's Literal Translation

¹⁰ And Jehovah speaketh unto Moses, saying,

¹¹ `Go in, speak unto Pharaoh king of Egypt, and he doth send the sons of Israel out of his land;

¹² and Moses speaketh before Jehovah, saying, `Lo, the sons of Israel have not hearkened unto me, and how doth Pharaoh hear me, and I of uncircumcised lips?'