2 Peter 1:19 in the King James Version
We have also a more sure word of prophecy; whereunto ye do well that ye take heed, as unto a light that shineth in a dark place, until the day dawn, and the day star arise in your hearts:
Context
18 We heard this voice come out of heaven when we were with him on the holy mountain.
19 We have the more sure word of prophecy; and you do well that you heed it as to a lamp shining in a dark place, until the day dawns and the morning star arises in your hearts,
20 knowing this first, that no prophecy of Scripture is of private interpretation.