'Knocks' in the Bible

For everyone who asks receives, and the one who searches finds, and to the one who knocks, the door will be opened.

For everyone who asks receives, and the one who searches finds, and to the one who knocks, the door will be opened.

You must be like people waiting for their master to return from the wedding banquet so that when he comes and knocks, they can open the door for him at once.