Mark 16:20 in the King James Version
And they went forth, and preached every where, the Lord working with them, and confirming the word with signs following. Amen.
Context
19 So then the Lord, after he had spoken to them, was received up into heaven and sat down at the right hand of God.
20 They went out and preached everywhere, the Lord working with them and confirming the word by the signs that followed. Amen.