'Beware' in the Bible
Beware lest you become corrupt by making for yourselves [to worship] a graven image in the form of any figure, the likeness of male or female,
And beware lest you lift up your eyes to the heavens, and when you see the sun, moon, and stars, even all the host of the heavens, you be drawn away and worship them and serve them, things which the Lord your God has allotted to all nations under the whole heaven.
Then beware lest you forget the Lord, Who brought you out of the land of Egypt, out of the house of bondage.
Beware that you do not forget the Lord your God by not keeping His commandments, His precepts, and His statutes which I command you today,
And beware lest you say in your [mind and] heart, My power and the might of my hand have gotten me this wealth.
Beware lest there be a base thought in your [minds and] hearts, and you say, The seventh year, the year of release, is at hand, and your eye be evil against your poor brother and you give him nothing, and he cry to the Lord against you, and it be sin in you.
Beware lest there should be among you a man or woman, or family or tribe, whose [mind and] heart turns away this day from the Lord our God to go and serve the gods of these nations; lest there should be among you a [poisonous] root that bears gall and wormwood,
Therefore beware and drink no wine or strong drink and eat nothing unclean.
And the Angel of the Lord said to Manoah, Let the mother beware of all that I told her.
Then the man of God sent to the king of Israel, saying, Beware that you pass not such a place, for the Syrians are coming down there.
Then beware and be afraid of the sword [of divine vengeance], for wrathful are the punishments of that sword, that you may know there is a judgment.
Beware lest you say, We have found wisdom; God thrusts [Job] down [justly], not man [God alone is dealing with him].
Beware lest Hezekiah persuade and mislead you by saying, The Lord will deliver us. Has any one of the gods of the nations ever delivered his land out of the hand of the king of Assyria?
Let everyone beware of his neighbor and put no trust in any brother. For every brother is an utter and complete supplanter (one who takes by the heel and trips up, a deceiver, a Jacob), and every neighbor goes about as a slanderer.
And beware, lest your heart faint and you be afraid at the report (rumor) heard in the land; for in one year shall one report come and in another year another report, and violence shall be in the land, ruler against ruler.
Beware of false prophets, who come to you dressed as sheep, but inside they are devouring wolves.
How is it that you fail to understand that I was not talking to you about bread? But beware of the leaven (ferment) of the Pharisees and Sadducees.
Then they discerned that He did not tell them to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.
Beware that you do not despise or feel scornful toward or think little of one of these little ones, for I tell you that in heaven their angels always are in the presence of and look upon the face of My Father Who is in heaven.
And Jesus [repeatedly and expressly] charged and admonished them, saying, Look out; keep on your guard and beware of the leaven of the Pharisees and the leaven of Herod and the Herodians.
And in [the course of] His teaching, He said, Beware of the scribes, who like to go around in long robes and [to get] greetings in the marketplaces [public forums],
Beware of the scribes, who like to walk about in long robes and love to be saluted [with honor] in places where people congregate and love the front and best seats in the synagogues and places of distinction at feasts,
Beware of him yourself, for he opposed and resisted our message very strongly and exceedingly.
[Therefore beware] brethren, take care, lest there be in any one of you a wicked, unbelieving heart [which refuses to cleave to, trust in, and rely on Him], leading you to turn away and desert or stand aloof from the living God.