Song of Songs 5:2
I sleep, but my heart waketh: it is the voice of my beloved that knocketh, saying, Open to me, my sister, my love, my dove, my undefiled: for my head is filled with dew, and my locks with the drops of the night.
Matthew 7:8
For every one that asketh receiveth; and he that seeketh findeth; and to him that knocketh it shall be opened.
Luke 11:10
For every one that asketh receiveth; and he that seeketh findeth; and to him that knocketh it shall be opened.
Luke 12:36
And ye yourselves like unto men that wait for their lord, when he will return from the wedding; that when he cometh and knocketh, they may open unto him immediately.