Rev 3: 20...
If anyone hears My voice and opens the door, I will come in to him and have dinner with him, and he with Me.
This is the theme of the Holman Hunt 'Light of the World' stained glass windows-etched in my childhood memory - in St Peters Anglican Church, Havelock; and more recently at St Andrews, Epsom.
Thy word is a lamp unto my feet, and a light unto my path. — Psalm 119:105