'Knock' in the Bible

"Ask, and it will be given to you; seek, and you will find; knock, and the door will be opened to you.

"So I say to you, 'Ask, and what you ask for shall be given to you; seek, and you shall find; knock, and the door shall be opened to you.'

As soon as the Master of the house shall have risen and shut the door, and you have begun to stand outside and knock at the door and say, "'Sir, open the door for us' --"'I do not know you,' He answers; 'you are no friends of mine.'

When he knocked at the wicket in the door, a maidservant named Rhoda came to answer the knock;