Matthew 23:28

Even so you seem to men to be full of righteousness, but inside you are all false and full of wrongdoing.

Matthew 23:5

But all their works they do so as to be seen by men: for they make wide their phylacteries, and the edges of their robes,

1 Samuel 16:7

But the Lord said to Samuel, Do not take note of his face or how tall he is, because I will not have him: for the Lord's view is not man's; man takes note of the outer form, but the Lord sees the heart.

Psalm 51:6

Your desire is for what is true in the inner parts: in the secrets of my soul you will give me knowledge of wisdom.

Jeremiah 17:9-10

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

Matthew 12:34-35

You offspring of snakes, how are you, being evil, able to say good things? because out of the heart's store come the words of the mouth.

Matthew 15:19-20

For out of the heart come evil thoughts, the taking of life, broken faith between the married, unclean desires of the flesh, taking of property, false witness, bitter words:

Mark 7:21-23

Because from inside, from the heart of men, come evil thoughts and unclean pleasures,

Luke 16:15

And he said, You take care to seem right in the eyes of men, but God sees your hearts: and those things which are important in the opinion of men, are evil in the eyes of God.

Hebrews 4:12-13

For the word of God is living and full of power, and is sharper than any two-edged sword, cutting through and making a division even of the soul and the spirit, the bones and the muscles, and quick to see the thoughts and purposes of the heart.

Treasury of Scripture Knowledge

Summary

Even so ye also outwardly appear righteous unto men, but within ye are full of hypocrisy and iniquity.

Bible References

Ye also

Matthew 23:5
But all their works they do so as to be seen by men: for they make wide their phylacteries, and the edges of their robes,
1 Samuel 16:7
But the Lord said to Samuel, Do not take note of his face or how tall he is, because I will not have him: for the Lord's view is not man's; man takes note of the outer form, but the Lord sees the heart.
Psalm 51:6
Your desire is for what is true in the inner parts: in the secrets of my soul you will give me knowledge of wisdom.
Jeremiah 17:9
The heart is a twisted thing, not to be searched out by man: who is able to have knowledge of it?
Luke 16:15
And he said, You take care to seem right in the eyes of men, but God sees your hearts: and those things which are important in the opinion of men, are evil in the eyes of God.
Hebrews 4:12
For the word of God is living and full of power, and is sharper than any two-edged sword, cutting through and making a division even of the soul and the spirit, the bones and the muscles, and quick to see the thoughts and purposes of the heart.

But

Matthew 12:34
You offspring of snakes, how are you, being evil, able to say good things? because out of the heart's store come the words of the mouth.
Matthew 15:19
For out of the heart come evil thoughts, the taking of life, broken faith between the married, unclean desires of the flesh, taking of property, false witness, bitter words:
Mark 7:21
Because from inside, from the heart of men, come evil thoughts and unclean pleasures,

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain