“And the anger of the LORD was kindled against Moses, and he said, Is not Aaron the Levite thy brother? I know that he can speak well. And also, behold, he cometh forth to meet thee: and when he seeth thee, he will be glad in his heart.”
King James Version (KJV)
4:14 And the anger of the Lord was kindled against him - Even self - diffidence when it grows into an extreme, when it either hinders us from duty, or clogs us in duty, is very displeasing to him.