10 But Moses said to the Lord, “Oh, my Lord, ^jI am not eloquent, either in the past or since you have spoken to your servant, but I am slow of speech and of tongue.”

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?”