Exodus 4:9-11 Tree of Life Version (TLV)
9 But if they do not believe even these two signs nor listen to your voice, you are to take the water of the river and pour it on the dry land. The water which you take out of the river will become blood on the ground.”
10 But Moses said to Adonai, “Adonai, I am not a man of words—not yesterday, nor the day before, nor since You have spoken to Your servant—because I have a slow mouth and a heavy tongue.”
11 So Adonai said to him, “Who made man’s mouth? Or who makes a man mute or deaf, seeing or blind? Is it not I, Adonai?