Matthew 23:28

So you, also, outwardly seem to be just and upright to men, but inwardly you are full of hypocrisy and lawlessness.

Matthew 23:5

They do all their deeds to be seen by men; for they make their phylacteries (tefillin) wide [to make them more conspicuous] and make their tassels long.

But the Lord said to Samuel, “Do not look at his appearance or at the height of his stature, because I have rejected him. For the Lord sees not as man sees; for man looks at the outward appearance, but the Lord looks at the heart.”

Psalm 51:6

Behold, You desire truth in the innermost being,
And in the hidden part [of my heart] You will make me know wisdom.

Jeremiah 17:9-10

“The heart is deceitful above all things
And it is extremely sick;
Who can understand it fully and know its secret motives?

Matthew 12:34-35

You brood of vipers, how can you speak good things when you are evil? For the mouth speaks out of that which fills the heart.

Matthew 15:19-20

For out of the heart come evil thoughts and plans, murders, adulteries, sexual immoralities, thefts, false testimonies, slanders (verbal abuse, irreverent speech, blaspheming).

Mark 7:21-23

For from within, [that is] out the heart of men, come base and malevolent thoughts and schemes, acts of sexual immorality, thefts, murders, adulteries,

Luke 16:15

So He said to them, “You are the ones who declare yourselves just and upright in the sight of men, but God knows your hearts [your thoughts, your desires, your secrets]; for that which is highly esteemed among men is detestable in the sight of God.

Hebrews 4:12-13

For the word of God is living and active and full of power [making it operative, energizing, and effective]. It is sharper than any two-edged sword, penetrating as far as the division of the soul and spirit [the completeness of a person], and of both joints and marrow [the deepest parts of our nature], exposing and judging the very thoughts and intentions of the heart.

Treasury of Scripture Knowledge

Summary