Luke 16:15

He said to them, "You are those who justify yourselves before men, but God knows your hearts. For what is highly esteemed among men is an abomination in the sight of God.

John 7:24

Do not judge by appearances, but judge with right judgment."

Acts 1:24

And they prayed and said, "You, Lord, who know the hearts of all men, show which one of these two you have chosen

1 Peter 2:4

As you come to him, the living Stone rejected by men but chosen and precious in the sight of God

1 Peter 3:4

but let it be the hidden person of the heart, with the imperishable beauty of a gentle and quiet spirit, which is precious in God's sight.

2 Corinthians 10:7

You look at things as they are outwardly. If anyone is confident in himself that he is Christ's, let him consider this again within himself, that just as he is Christ's, so also are we.

2 Corinthians 10:10

For they say, "His letters are weighty and strong, but his personal presence is weak, and his speech of no account."

Hebrews 4:13

And there is no creature hidden from his sight, but all things are open and laid bare to the eyes of him with whom we have to do.

Revelation 2:23

And I will strike her children dead. And all the churches shall know that I am he who searches minds and hearts, and I will give to each of you according to your works.

Treasury of Scripture Knowledge

Summary

But the LORD said unto Samuel, Look not on his countenance, or on the height of his stature; because I have refused him: for the LORD seeth not as man seeth; for man looketh on the outward appearance, but the LORD looketh on the heart.

Bible References

Seeth not

Luke 16:15
He said to them, "You are those who justify yourselves before men, but God knows your hearts. For what is highly esteemed among men is an abomination in the sight of God.
1 Peter 2:4
As you come to him, the living Stone rejected by men but chosen and precious in the sight of God
1 Peter 3:4
but let it be the hidden person of the heart, with the imperishable beauty of a gentle and quiet spirit, which is precious in God's sight.

Looketh

John 7:24
Do not judge by appearances, but judge with right judgment."
2 Corinthians 10:7
You look at things as they are outwardly. If anyone is confident in himself that he is Christ's, let him consider this again within himself, that just as he is Christ's, so also are we.

On the heart

Acts 1:24
And they prayed and said, "You, Lord, who know the hearts of all men, show which one of these two you have chosen
Hebrews 4:13
And there is no creature hidden from his sight, but all things are open and laid bare to the eyes of him with whom we have to do.
Revelation 2:23
And I will strike her children dead. And all the churches shall know that I am he who searches minds and hearts, and I will give to each of you according to your works.