Proverbs 20:27
The spirit of man is the lamp of the LORD, searching all the inner depths of the heart.
1 Corinthians 2:11
For what man knows the things of a man, except the spirit of man which is in him? even so the things of God knows no man, but the Spirit of God.
Genesis 2:7
And the LORD God formed man of the dust of the ground, and breathed into his nostrils the breath of life; and man became a living soul.
Job 32:8
But there is a spirit in man: and the inspiration of the Almighty gives him understanding.
Proverbs 20:30
Blows of a wound cleanse away evil: as do stripes the inner depths of the heart.
Romans 2:15
Who show the work of the law written in their hearts, their conscience also bearing witness, and their thoughts the mean while accusing or else excusing one another;)
2 Corinthians 4:2-6
But have renounced the hidden things of dishonesty, not walking in craftiness, nor handling the word of God deceitfully; but by manifestation of the truth commending ourselves to every man's conscience in the sight of God.
Hebrews 4:12-13
For the word of God is living, and powerful, and sharper than any two-edged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart.
1 John 3:19-21
And by this we know that we are of the truth, and shall assure our hearts before him.