Hebrews 12:16

Verse 16. Lest there be any fornicator. The sin here referred to is one of those which would spread corruption in the church, and against which they ought to be especially on their guard. Allusion is made to Esau as an example, who, himself a corrupt and profane man, for a trifle threw away the highest honour which as a son he could have. Many have regarded the word here used as referring to idolatry, or defection from the true religion to a false one--as the word is often used in the Old Testament--but it is more natural to understand it literally.