This search form can take most formats of verses, such as 'Psalms 23', 'Mark 1:1', 'John 2:5-9' or 'Luke 1:1-4,6,9-10'. It can also take most commonly used abbreviations, such as '1 c 2:3' or 'jn 2'.
New International Version
20Here I am! I stand at the door and knock. If anyone hears my voice and opens the door, I will come in and eat with him, and he with me.
Revelation of John 3:20 (NIV)