Exodus 4:1-5
And Moses answered and said, But, behold, they will not believe me, nor listen to my voice: for they will say, The LORD has not appeared to you.
Torrey's Topical Textbook—AKJV

Mark 16:20
And they went forth, and preached every where, the Lord working with them, and confirming the word with signs following. Amen.
Torrey's Topical Textbook—AKJV