'Be Careful' in the Bible

However, for you individually, let each love his wife as if she were himself; and the wife be careful to respect her husband.

Be careful for nothing; but in every thing by prayer and supplication with thanksgiving let your requests be made known unto God.

Be careful that no one takes you captive through philosophy and empty deceit based on human tradition, based on the elemental forces of the world, and not based on Christ.

of these things be careful; in these things be, that thy advancement may be manifest in all things;

This is a faithful saying, and these things I will that thou affirm constantly, that they which have believed in God might be careful to maintain good works. These things are good and profitable unto men.

Be careful, Brothers, that there is never found in any one of you a wicked and faithless heart, shown by his separating himself from the Living God.

These serve as a copy and shadow of the heavenly things, as Moses was warned when he was about to complete the tabernacle. For God said, Be careful that you make everything according to the pattern that was shown to you on the mountain.

Be carefully on your guard lest there be any one who falls back from the grace of God; lest any root bearing bitter fruit spring up and cause trouble among you, and through it the whole brotherhood be defiled;

Be careful not to refuse to listen to Him who is speaking to you. For if they of old did not escape unpunished when they refused to listen to him who spoke on earth, much less shall we escape who turn a deaf ear to Him who now speaks from Heaven.

Wherefore I will be careful to put you always in mind of these things, although knowing them and established in the present truth.

But he said to me: "You must be careful not to do that; I am only a fellow-slave of yours, of your brothers the prophets, and of the people who practice the truths contained in this book. Worship God."