Proverbs 20:27

The breath of man is a lamp of Jehovah, Searching all the inner parts of the heart.

1 Corinthians 2:11

for who of men hath known the things of the man, except the spirit of the man that is in him? so also the things of God no one hath known, except the Spirit of God.

Genesis 2:7

And Jehovah God formeth the man -- dust from the ground, and breatheth into his nostrils breath of life, and the man becometh a living creature.

Job 32:8

Surely a spirit is in man, And the breath of the Mighty One Doth cause them to understand.

Proverbs 20:30

The bandages of a wound thou removest with the evil, Also the plagues of the inner parts of the heart!

Romans 2:15

who do shew the work of the law written in their hearts, their conscience also witnessing with them, and between one another the thoughts accusing or else defending,

2 Corinthians 4:2-6

but did renounce for ourselves the hidden things of shame, not walking in craftiness, nor deceitfully using the word of God, but by the manifestation of the truth recommending ourselves unto every conscience of men, before God;

Hebrews 4:12-13

for the reckoning of God is living, and working, and sharp above every two-edged sword, and piercing unto the dividing asunder both of soul and spirit, of joints also and marrow, and a discerner of thoughts and intents of the heart;

1 John 3:19-21

and in this we know that of the truth we are, and before Him we shall assure our hearts,

Treasury of Scripture Knowledge

Summary

The spirit of man is the candle of the LORD, searching all the inward parts of the belly.

Bible References

Spirit

Genesis 2:7
And Jehovah God formeth the man -- dust from the ground, and breatheth into his nostrils breath of life, and the man becometh a living creature.
Job 32:8
Surely a spirit is in man, And the breath of the Mighty One Doth cause them to understand.
Romans 2:15
who do shew the work of the law written in their hearts, their conscience also witnessing with them, and between one another the thoughts accusing or else defending,
1 Corinthians 2:11
for who of men hath known the things of the man, except the spirit of the man that is in him? so also the things of God no one hath known, except the Spirit of God.
2 Corinthians 4:2
but did renounce for ourselves the hidden things of shame, not walking in craftiness, nor deceitfully using the word of God, but by the manifestation of the truth recommending ourselves unto every conscience of men, before God;
1 John 3:19
and in this we know that of the truth we are, and before Him we shall assure our hearts,

Searching

Proverbs 20:30
The bandages of a wound thou removest with the evil, Also the plagues of the inner parts of the heart!
Hebrews 4:12
for the reckoning of God is living, and working, and sharp above every two-edged sword, and piercing unto the dividing asunder both of soul and spirit, of joints also and marrow, and a discerner of thoughts and intents of the heart;