Exodus 6:28-30

Amplified Bible, Classic Edition

²⁸ On the day when the Lord spoke to Moses in Egypt,

²⁹ The Lord said to Moses, I am the Lord; tell Pharaoh king of Egypt all that I say to you.

³⁰ But Moses said to the Lord, Behold, I am of deficient and impeded speech; how then shall Pharaoh listen to me?