The heart is deceitful above all things, and desperately wicked: who can know it?
He feedeth on ashes: a deceived heart hath turned him aside, that he cannot deliver his soul, nor say, Is there not a lie in my right hand?
Thefts, covetousness, wickedness, deceit, lasciviousness, an evil eye, blasphemy, pride, foolishness:
For thou hast trusted in thy wickedness: thou hast said, None seeth me. Thy wisdom and thy knowledge, it hath perverted thee; and thou hast said in thine heart, I am, and none else beside me.
1 Corinthians 3:18
Let no man deceive himself. If any man among you seemeth to be wise in this world, let him become a fool, that he may be wise.
Thus saith the LORD; Deceive not yourselves, saying, The Chaldeans shall surely depart from us: for they shall not depart.
For if a man think himself to be something, when he is nothing, he deceiveth himself.
But be ye doers of the word, and not hearers only, deceiving your own selves.
For ye dissembled in your hearts, when ye sent me unto the LORD your God, saying, Pray for us unto the LORD our God; and according unto all that the LORD our God shall say, so declare unto us, and we will do it.
The wisdom of the prudent is to understand his way: but the folly of fools is deceit.
If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own heart, this man's religion is vain.
1 John 1:8
If we say that we have no sin, we deceive ourselves, and the truth is not in us.
1 John 1:6
If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:
Be not deceived; God is not mocked: for whatsoever a man soweth, that shall he also reap.
Take heed to yourselves, that your heart be not deceived, and ye turn aside, and serve other gods, and worship them;
For I heard the defaming of many, fear on every side. Report, say they, and we will report it. All my familiars watched for my halting, saying, Peradventure he will be enticed, and we shall prevail against him, and we shall take our revenge on him.
Let not him that is deceived trust in vanity: for vanity shall be his recompence.
For sin, taking occasion by the commandment, deceived me, and by it slew me.
Thy terribleness hath deceived thee, and the pride of thine heart, O thou that dwellest in the clefts of the rock, that holdest the height of the hill: though thou shouldest make thy nest as high as the eagle, I will bring thee down from thence, saith the LORD.
But exhort one another daily, while it is called To day; lest any of you be hardened through the deceitfulness of sin.
And the cares of this world, and the deceitfulness of riches, and the lusts of other things entering in, choke the word, and it becometh unfruitful.