Berean Study Bible
We also have the word of the prophets as confirmed beyond doubt. And you will do well to pay attention to it, as to a lamp shining in a dark place, until the day dawns and the morning star rises in your hearts.

King James Bible
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:

American Standard Version
And we have the word of prophecy made more sure; whereunto ye do well that ye take heed, as unto a lamp shining in a dark place, until the day dawn, and the day-star arise in your hearts:

Darby Bible Translation
And we have the prophetic word [made] surer, to which ye do well taking heed (as to a lamp shining in an obscure place) until [the] day dawn and [the] morning star arise in your hearts;

Douay-Rheims Bible
And we have the more firm prophetical word: whereunto you do well to attend, as to a light that shineth in a dark place, until the day dawn, and the day star arise in your hearts:

English Revised Version
And we have the word of prophecy made more sure; whereunto ye do well that ye take heed, as unto a lamp shining in a dark place, until the day dawn, and the day-star arise in your hearts:

Young's Literal Translation
And we have more firm the prophetic word, to which we do well giving heed, as to a lamp shining in a dark place, till day may dawn, and a morning star may arise -- in your hearts;