Deuteronomy 18:19
"And it shall come to pass, that whosoever will not hearken unto my words which he shall speak in my name, I will require it of him."
Cross References (ranked by relevance)
Hebrews 2:3
How shall we escape, if we neglect so great salvation; which at the first began to be spoken by the Lord, and was confirmed unto us by them that heard him;
Hebrews 10:26
For if we sin wilfully after that we have received the knowledge of the truth, there remaineth no more sacrifice for sins,
Hebrews 3:7
Wherefore (as the Holy Ghost saith, To day if ye will hear his voice,
Mark 16:16
He that believeth and is baptized shall be saved; but he that believeth not shall be damned.