NET

19 Moreover, we possess the prophetic word as an altogether reliable thing. You do well if you pay attention to this as you would to a light shining in a murky place, until the day dawns and the morning star rises in your hearts.

Darby

19 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;

KJV

19 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:

Strong's

19 We have^G2192 also^G2532 a more sure^G949 word^G3056 of prophecy^G4397; whereunto^G3739 ye do^G4160 well^G2573 that ye take heed^G4337, as^G5613 unto a light^G3088 that shineth^G5316 in^G1722 a dark^G850 place^G5117, until^{G2193 G3739} the day^G2250 dawn^G1306, and^G2532 the day star^G5459 arise^G393 in^G1722 your^G5216 hearts^G2588: