Bible Verses About Heedfulness: In conduct

Only take heed to thyself, and keep thy soul diligently, lest thou forget the things which thine eyes have seen, and lest they depart from thy heart all the days of thy life: but teach them thy sons, and thy sons' sons;

Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath:

He that keepeth his mouth keepeth his life: but he that openeth wide his lips shall have destruction.

For there shall arise false Christs, and false prophets, and shall shew great signs and wonders; insomuch that, if it were possible, they shall deceive the very elect.

Beware lest any man spoil you through philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ.