John 12:48
He that rejects me, and receives not my words, has one that judges him: the word that I have spoken, the same shall judge him in the last day.
Torrey's Topical Textbook—AKJV

Hebrews 2:1-3
Therefore we ought to give the more earnest heed to the things which we have heard, lest at any time we should let them slip.
Torrey's Topical Textbook—AKJV

Hebrews 12:25
See that you refuse not him that speaks. For if they escaped not who refused him that spoke on earth, much more shall not we escape, if we turn away from him that speaks from heaven:
Torrey's Topical Textbook—AKJV