12 But Moses said to the Lord, “Behold, the people of Israel have not listened to me. ^kHow then shall Pharaoh listen to me, for I am of uncircumcised lips?”

30 But Moses said to the Lord, “Behold, I am of uncircumcised lips. How will Pharaoh listen to me?”

6 Then I said, “Ah, Lord God! Behold, ⁱI do not know how to speak, for I am ^jonly a youth.”