Bible Verses About Stammering

And Moses said unto Jehovah, Oh, Lord, I am not eloquent, neither heretofore, nor since thou hast spoken unto thy servant; for I am slow of speech, and of a slow tongue.

And the heart of the rash shall understand knowledge, and the tongue of the stammerers shall be ready to speak plainly.

Thou shalt not see the fierce people, a people of a deep speech that thou canst not comprehend, of a strange tongue that thou canst not understand.