9 But if they will not even believe these two signs, nor hear thy voice: take of the river water, and pour it out upon the dry land, and whatsoever thou drawest out of the river shall be turned into blood.
10 Moses said: I beseech thee, Lord. I am not eloquent from yesterday and the day before: and since thou hast spoken to thy servant, I have more impediment and slowness of tongue.
11 The Lord said to him: Who made man's mouth? or who made the dumb and the deaf, the seeing and the blind? did not I?
12 Go therefore and I will be in thy mouth: and I will teach thee what thou shalt speak.
13 But he said: I beseech thee, Lord send whom thou wilt send.
14 The Lord being angry at Moses, said Aaron the Levite is thy brother, I know that he is eloquent: behold he cometh forth to meet thee, and seeing thee shall be glad at heart.
15 Speak to him, and put my words in his mouth: and I will be in thy mouth, and in his mouth, and will shew you what you must do.