1 Samuel 16:7

Judge not according to the appearance, but judge righteous judgment.

I the LORD search the heart, I try the reins, even to give every man according to his ways, and according to the fruit of his doings.

And he said unto them, Ye are they which justify yourselves before men; but God knoweth your hearts: for that which is highly esteemed among men is abomination in the sight of God.

But let it be the hidden man of the heart, in that which is not corruptible, even the ornament of a meek and quiet spirit, which is in the sight of God of great price.

All the ways of a man are clean in his own eyes; but the LORD weigheth the spirits.

Favour is deceitful, and beauty is vain: but a woman that feareth the LORD, she shall be praised.

And thou, Solomon my son, know thou the God of thy father, and serve him with a perfect heart and with a willing mind: for the LORD searcheth all hearts, and understandeth all the imaginations of the thoughts: if thou seek him, he will be found of thee; but if thou forsake him, he will cast thee off for ever.

Then hear thou in heaven thy dwelling place, and forgive, and do, and give to every man according to his ways, whose heart thou knowest; (for thou, even thou only, knowest the hearts of all the children of men;)

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

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

For the eyes of the LORD run to and fro throughout the whole earth, to shew himself strong in the behalf of them whose heart is perfect toward him. Herein thou hast done foolishly: therefore from henceforth thou shalt have wars.

Thou knowest my downsitting and mine uprising, thou understandest my thought afar off.

But, O LORD of hosts, that triest the righteous, and seest the reins and the heart, let me see thy vengeance on them: for unto thee have I opened my cause.

And I will kill her children with death; and all the churches shall know that I am he which searcheth the reins and hearts: and I will give unto every one of you according to your works.

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

Hast thou eyes of flesh? or seest thou as man seeth?

To whom coming, as unto a living stone, disallowed indeed of men, but chosen of God, and precious,

But in all Israel there was none to be so much praised as Absalom for his beauty: from the sole of his foot even to the crown of his head there was no blemish in him.

And he had a son, whose name was Saul, a choice young man, and a goodly: and there was not among the children of Israel a goodlier person than he: from his shoulders and upward he was higher than any of the people.

Oh let the wickedness of the wicked come to an end; but establish the just: for the righteous God trieth the hearts and reins.