See to it that no one falls short of the grace of God, and that no root of bitterness springs up to cause trouble and defile many.
KJV
Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble [you], and thereby many be defiled;
ASV
looking carefully lest there be any man that falleth short of the grace of God; lest any root of bitterness springing up trouble you, and thereby the many be defiled;