1 Samuel 16:7
But the Lord said to Samuel, “Do not look on his appearance or on the height of his stature, because I have rejected him. For the Lord sees not as man sees: man looks on the outward appearance, but the Lord looks on the heart.”
Jeremiah 17:10
“I the Lord search the heart and test the mind, to give every man according to his ways, according to the fruit of his deeds.”
John 7:24
Do not judge by appearances, but judge with right judgment.
1 Kings 8:39
Then hear in heaven your dwelling place and forgive and act and render to each whose heart you know, according to all his ways (for you, you only, know the hearts of all the children of mankind),
Jeremiah 11:20
But, O Lord of hosts, who judges righteously, who tests the heart and the mind, let me see your vengeance upon them, for to you have I committed my cause.
Revelation 2:2
I know your works, your toil and your patient endurance, and how you cannot bear with those who are evil, but have tested those who call themselves apostles and are not, and found them to be false.
1 Peter 3:3-5
Do not let your adorning be external—the braiding of hair and the putting on of gold jewelry, or the clothing you wear— but let your adorning be the hidden person of the heart with the imperishable beauty of a gentle and quiet spirit, which in God’s sight is very precious. For this is how the holy women who hoped in God used to adorn themselves, by submitting to their own husbands,
Acts 1:24
And they prayed and said, “You, Lord, who know the hearts of all, show which one of these two you have chosen”
Proverbs 4:23
Keep your heart with all vigilance, for from it flow the springs of life.
Hebrews 4:12
For the word of God is living and active, sharper than any two-edged sword, piercing to the division of soul and of spirit, of joints and of marrow, and discerning the thoughts and intentions of the heart.
Matthew 23:28
So you also outwardly appear righteous to others, but within you are full of hypocrisy and lawlessness.
Ezekiel 36:26
And I will give you a new heart, and a new spirit I will put within you. And I will remove the heart of stone from your flesh and give you a heart of flesh.
Psalm 73:1
A Psalm of Asaph. Truly God is good to Israel, to those who are pure in heart.
2 Chronicles 12:14
And he did evil, for he did not set his heart to seek the Lord.
2 Timothy 3:16-17
All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness, that the man of God may be complete, equipped for every good work.
Jeremiah 20:12
O Lord of hosts, who tests the righteous, who sees the heart and the mind, let me see your vengeance upon them, for to you have I committed my cause.
Psalm 139:1-24
O Lord, you have searched me and known me! You know when I sit down and when I rise up; you discern my thoughts from afar. You search out my path and my lying down and are acquainted with all my ways. Even before a word is on my tongue, behold, O Lord, you know it altogether. You hem me in, behind and before, and lay your hand upon me.
Psalm 4:4
Be angry, and do not sin; ponder in your own hearts on your beds, and be silent. Selah
Genesis 6:5
The Lord saw that the wickedness of man was great in the earth, and that every intention of the thoughts of his heart was only evil continually.