[Exo 23:13 KJV] 13 And in all [things] that I have said unto you be circumspect: and make no mention of the name of other gods, neither let it be heard out of thy mouth.

[Exo 34:12 KJV] 12 Take heed to thyself, lest thou make a covenant with the inhabitants of the land whither thou goest, lest it be for a snare in the midst of thee:

[Deu 4:9, 23 KJV] 9 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; ... 23 Take heed unto yourselves, lest ye forget the covenant of the LORD your God, which he made with you, and make you a graven image, [or] the likeness of any [thing], which the LORD thy God hath forbidden thee.

[Jos 22:5 KJV] 5 But take diligent heed to do the commandment and the law, which Moses the servant of the LORD charged you, to love the LORD your God, and to walk in all his ways, and to keep his commandments, and to cleave unto him, and to serve him with all your heart and with all your soul.

[1Ki 8:25 KJV] 25 Therefore now, LORD God of Israel, keep with thy servant David my father that thou promisedst him, saying, There shall not fail thee a man in my sight to sit on the throne of Israel; so that thy children take heed to their way, that they walk before me as thou hast walked before me.

[Psa 39:1 KJV] 1 [[To the chief Musician, [even] to Jeduthun, A Psalm of David.]] I said, I will take heed to my ways, that I sin not with my tongue: I will keep my mouth with a bridle, while the wicked is before me.

[Psa 141:3 KJV] 3 Set a watch, O LORD, before my mouth; keep the door of my lips.

[Pro 4:23 KJV] 23 Keep thy heart with all diligence; for out of it [are] the issues of life.

[Mal 2:15 KJV] 15 And did not he make one? Yet had he the residue of the spirit. And wherefore one? That he might seek a godly seed. Therefore take heed to your spirit, and let none deal treacherously against the wife of his youth.

[Mat 16:6 KJV] 6 Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and of the Sadducees.

[Mat 24:4 KJV] 4 And Jesus answered and said unto them, Take heed that no man deceive you.

[Mat 26:40-41 KJV] 40 And he cometh unto the disciples, and findeth them asleep, and saith unto Peter, What, could ye not watch with me one hour? 41 Watch and pray, that ye enter not into temptation: the spirit indeed [is] willing, but the flesh [is] weak.

[Luk 11:35 KJV] 35 Take heed therefore that the light which is in thee be not darkness.

[Act 20:28-31 KJV] 28 Take heed therefore unto yourselves, and to all the flock, over the which the Holy Ghost hath made you overseers, to feed the church of God, which he hath purchased with his own blood. 29 For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock. 30 Also of your own selves shall men arise, speaking perverse things, to draw away disciples after them. 31 Therefore watch, and remember, that by the space of three years I ceased not to warn every one night and day with tears.

[1Co 10:12 KJV] 12 Wherefore let him that thinketh he standeth take heed lest he fall.

[1Co 16:13 KJV] 13 Watch ye, stand fast in the faith, quit you like men, be strong.

[Eph 5:15 KJV] 15 See then that ye walk circumspectly, not as fools, but as wise,

[Eph 6:18 KJV] 18 Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints;

[1Ti 4:16 KJV] 16 Take heed unto thyself, and unto the doctrine; continue in them: for in doing this thou shalt both save thyself, and them that hear thee.

[Heb 2:1 KJV] 1 Therefore we ought to give the more earnest heed to the things which we have heard, lest at any time we should let [them] slip.

[Heb 3:12 KJV] 12 Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.

[1Pe 1:13 KJV] 13 Wherefore gird up the loins of your mind, be sober, and hope to the end for the grace that is to be brought unto you at the revelation of Jesus Christ;

[1Pe 4:7 KJV] 7 But the end of all things is at hand: be ye therefore sober, and watch unto prayer.

[1Pe 5:8 KJV] 8 Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour: