Exodus 4:17 in the King James Version
And thou shalt take this rod in thine hand, wherewith thou shalt do signs.
Context
16 He will be your spokesman to the people. It will happen that he will be to you a mouth, and you will be to him as God.
17 You shall take this rod in your hand, with which you shall do the signs.”
18 Moses went and returned to Jethro his father-in-law, and said to him, “Please let me go and return to my brothers who are in Egypt, and see whether they are still alive.” Jethro said to Moses, “Go in peace.”