looking carefully lest anyone fall short of the grace of God; lest any root of bitterness springing up cause trouble, and by this many become defiled;
Hebrews 12:15
Surrounding context
12:14 Pursue peace with all people, and holiness, without which no one will see the Lord:
12:15 looking carefully lest anyone fall short of the grace of God; lest any root of bitterness springing up cause trouble, and by this many become defiled;
12:16 lest there be any fornicator or profane person like Esau, who for one morsel of food sold his birthright.