See how large is his discourse concerning chastity. Follow peace, he said, and holiness; Lest there be any fornicator or profane person Hebrews 12:14; and again, Fornicators and adulterers God will judge. Hebrews 12:16 In every case, the prohibition is with a penalty. Follow peace with all men, he says, and holiness, without which no man shall see the Lord: But fornicators and adulterers God will judge.