Luke 16:15

And he said to them, Ye are they who justify yourselves before men: but God knoweth your hearts: And that which is highly esteemed among men, is an abomination before God.

John 7:24

Judge not according to appearance, but judge righteous judgment.

Acts 1:24

And they prayed and said, Thou, Lord, who knowest the hearts of all, shew which of these two thou hast chosen,

1 Peter 2:4

To whom coming as unto a living stone, rejected indeed by men,

1 Peter 3:4

in the incorruptible ornament of a meek and quiet spirit, which in the sight of God is of great price.

2 Corinthians 10:7

Do ye look at the outward appearance of things? If any man be confident, that he is Christ's, let him again think this of himself, that as he is Christ's, so we also are Christ's.

2 Corinthians 10:10

For his letters indeed, say they, are weighty and strong; but his bodily presence is weak, and his speech contemptible.

Hebrews 4:13

Neither is there any creature that is not manifest in his sight; but all things are naked and opened to the eyes of him with whom we have to do.

Revelation 2:23

And I will kill her children with death; and all the churches shall know, that I am he who searcheth the reins and hearts; and I will give you, every man, 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
And he said to them, Ye are they who justify yourselves before men: but God knoweth your hearts: And that which is highly esteemed among men, is an abomination before God.
1 Peter 2:4
To whom coming as unto a living stone, rejected indeed by men,
1 Peter 3:4
in the incorruptible ornament of a meek and quiet spirit, which in the sight of God is of great price.

Looketh

John 7:24
Judge not according to appearance, but judge righteous judgment.
2 Corinthians 10:7
Do ye look at the outward appearance of things? If any man be confident, that he is Christ's, let him again think this of himself, that as he is Christ's, so we also are Christ's.

On the heart

Acts 1:24
And they prayed and said, Thou, Lord, who knowest the hearts of all, shew which of these two thou hast chosen,
Hebrews 4:13
Neither is there any creature that is not manifest in his sight; but all things are naked and opened to the eyes of him with whom we have to do.
Revelation 2:23
And I will kill her children with death; and all the churches shall know, that I am he who searcheth the reins and hearts; and I will give you, every man, according to your works.