Exodus 4:9 And it shall come to pass, if they will not believe also these two signs, neither hearken unto thy voice, that thou shalt take of the water of the river, and pour it upon the dry land: and the water which thou takest out of the river shall become blood upon the dry land.
[Patriarchs & Prophets pp 253>254] The mighty miracles wrought for their deliverance would strike terror to the oppressors, so that the requests of the bondmen would be granted. Moses saw before him difficulties that seemed insurmountable. What proof could he give his people that God had indeed sent him? “Behold,” he said, “they will not believe me, nor hearken unto my voice: for they will say, The Lord hath not appeared unto thee.” Evidence that appealed to his own senses was now given. He was told to cast his rod upon the ground.
As he did so, “it became a serpent; and Moses fled from before it.” He was commanded to seize it, and in his hand it became a rod. He was bidden to put his hand into his bosom. He obeyed, and “when he took it out, behold, his hand was leprous as snow.” Being told to put it again into his bosom, he found on withdrawing it that it had become like the other. By these signs the Lord assured Moses that His own people, as well as Pharaoh, should be convinced that One mightier than the king of Egypt was manifest among them.
But the servant of God was still overwhelmed by the thought of the strange and wonderful work before him. In his distress and fear he now pleaded as an excuse a lack of ready speech: “O my Lord, I am not eloquent, neither heretofore, nor since Thou hast spoken unto Thy servant; but I am slow of speech, and of a slow tongue.” He had been so long away from the Egyptians that he had not so clear knowledge and ready use of their language as when he was among them.
Exodus 4:11 And the Lord said unto him, Who hath made man's mouth? or who maketh the dumb, or deaf, or the seeing, or the blind? have not I the Lord? 12 Now therefore go, and I will be with thy mouth, and teach thee what thou shalt say.
May God add His blessing to the study of His word. “Good night” and God bless!