Revelation 3:20 in the King James Version
Behold, I stand at the door, and knock: if any man hear my voice, and open the door, I will come in to him, and will sup with him, and he with me.
Context
19 As many as I love, I reprove and chasten. Be zealous therefore, and repent.
20 Behold, I stand at the door and knock. If anyone hears my voice and opens the door, then I will come in to him and will dine with him, and he with me.
21 He who overcomes, I will give to him to sit down with me on my throne, as I also overcame and sat down with my Father on his throne.