1 Corinthians 15:33
Be not deceived: evil companions corrupt good character.
Proverbs 13:20
He that walks with wise men shall be wise, but the companion of fools shall be destroyed.
Matthew 24:4
And Jesus answered and said unto them, Take heed that no one deceive you.
1 Corinthians 6:9
Know ye not that the unjust shall not inherit the kingdom of God? Do not err: neither fornicators nor idolaters nor adulterers nor effeminate nor homosexuals
Proverbs 9:6
Forsake that which is foolish and live and go in the way of understanding.
Matthew 24:11
And many false prophets shall rise and shall deceive many.
Matthew 24:24
For there shall arise false Christs and false prophets and shall show great signs and wonders in such a manner that they shall deceive, if possible, the very elect.
1 Corinthians 5:6
Your glorying is not good. Know ye not that a little leaven leavens the whole lump?
Galatians 6:7
Do not deceive yourselves; God is not mocked: for whatever a man sows that shall he also reap.
Ephesians 5:6
Let no one deceive you with vain words, for because of these things the wrath of God comes upon the sons of disobedience.
2 Thessalonians 2:10
and with all deception of iniquity working in those that perish because they did not receive the charity of the truth, to be saved.
2 Timothy 2:16-18
But avoid profane and vain wordiness, for it will develop into ungodliness.
Hebrews 12:15
looking diligently that no one deviate from the grace of God, lest any root of bitterness springing up impede you, and thereby many be defiled,
2 Peter 2:2
And many shall follow their pernicious ways, by reason of whom the way of truth shall be blasphemed;
2 Peter 2:18-20
For speaking arrogant words of vanity, they allure through the lusts of the flesh, through much wantonness, those that were clean escaped from those who converse in error,
Revelation 12:9
And the great dragon was cast out, the serpent of old, who is called Devil and the Satan, who deceives the whole world; he was cast out into the earth, and his angels were cast out with him.
Revelation 13:8-14
And all that dwell upon the earth shall worship it, whose names are not written in the book of the life of the Lamb that was slain from the foundation of the world.