NT-GOSPEL.filter - rsv knocks:

rsv@Matthew:7:8 @ For every one who asks receives, and he who seeks finds, and to him who knocks it will be opened.

rsv@Luke:11:10 @ For every one who asks receives, and he who seeks finds, and to him who knocks it will be opened.

rsv@Luke:12:36 @ and be like men who are waiting for their master to come home from the marriage feast, so that they may open to him at once when he comes and knocks.