12 Bible Verses about Deceitful Hearts

The heart is a twisted thing, not to be searched out by man: who is able to have knowledge of it?

If I kept my evil doings covered, and my sin in the secret of my breast, For fear of the great body of people, or for fear that families might make sport of me, so that I kept quiet, and did not go out of my door;

For no faith may be put in their words; their inner part is nothing but evil; their throat is like an open place for the dead; smooth are the words of their tongues.

Do not take me away with the sinners and the workers of evil, who say words of peace to their neighbours, but evil is in their hearts.

Their only thought is to put him down from his place of honour; their delight is in deceit: blessing is in their mouths but cursing in their hearts. (Selah.)

His mind is ever designing evil: he lets loose violent acts.

For as the thoughts of his heart are, so is he: Take food and drink, he says to you; but his heart is not with you.

If you say, See, we had no knowledge of this: does not the tester of hearts give thought to it? and he who keeps your soul, has he no knowledge of it? and will he not give to every man the reward of his work?

Smooth lips and an evil heart are like a vessel of earth plated with silver waste. With his lips the hater makes things seem what they are not, but deceit is stored up inside him; When he says fair words, have no belief in him; for in his heart are seven evils:

As for him whose food is the dust of a dead fire, he has been turned from the way by a twisted mind, so that he is unable to keep himself safe by saying, What I have here in my hand is false.

But your eyes and your heart are fixed only on profit for yourself, on causing the death of him who has done no wrong, and on violent and cruel acts.

Evil and false men will become worse and worse, using deceit and themselves overcome by deceit.