New Revised Standard Version
The human spirit is the lamp of the LORD, searching every inmost part.

Contemporary English Version
Our inner thoughts are a lamp from the LORD, and they search our hearts.

New American Bible
A lamp from the LORD is human life-breath; it searches through the inmost being.

Douay-Rheims Bible
The spirit of a man is the lamp of the Lord, which searcheth all the hidden things of the bowels.

The spirit of a man is the lamp of the Lord, which searcheth all the hidden things of the bowels.

spirit

Genesis 2:7 And the Lord God formed man of the slime of the earth: and breathed into his face the breath of life, and man became a living soul.

Job 32:8 But, as I see, there is a spirit in men, and the inspiration of the Almighty giveth understanding.

Romans 2:15 Who shew the work of the law written in their hearts, their conscience bearing witness to them: and their thoughts between themselves accusing or also defending one another,

1 Corinthians 2:11 For what man knoweth the things of a man, but the spirit of a man that is in him? So the things also that are of God, no man knoweth, but the Spirit of God.

2 Corinthians 4:2-6 But we renounce the hidden things of dishonesty, not walking in craftiness nor adulterating the word of God: but by manifestation of the truth commending ourselves to every man's conscience, in the sight of God. . . .

1 John 3:19-21 In this we know that we are of the truth and in his sight shall persuade our hearts. . . .

candle or lamp

Proverbs 20:20 He that curseth his father, and mother, his lamp shall be put out in the midst of darkness.

searching

Proverbs 20:30 The blueness of a wound shall wipe away evils: and stripes in the more inward parts of the belly.

Hebrews 4:12,13 For the word of God is living and effectual and more piercing than any two edged sword; and reaching unto the division of the soul and the spirit, of the joints also and the marrow: and is a discerner of the thoughts and intents of the heart. . . .