BLB(i)
15 observing lest any be failing of the grace of God, lest any root of bitterness springing up should trouble you and by this, the many might be defiled,
16 lest there be any fornicator or profane person, as Esau, who for one meal sold his birthright.
17 For you know that even afterward, wishing to inherit the blessing, he was rejected; for he found no place of repentance, although having earnestly sought it with tears.