Hebrews 12:16

12:16 And see to it that no one becomes ¹  an immoral or godless person like Esau, who sold his own birthright for a single meal. ² 

Hebrews 13:4

13:4 Marriage must be honored among all and the marriage bed kept undefiled, for God will judge sexually immoral people and adulterers.

[12:16]  ¹ tn Grk “that there not be any,” continuing from v. 15.

[12:16]  ² sn An allusion to Gen 27:34-41.