John 4:23-24

But the hour is coming, and now is, when the true worshipers will worship the Father in spirit and in truth; for the Father seeks such to worship him.

Romans 7:22

For, in the inward man, I delight in the law of God:

James 4:8

draw near to God, and he will draw near to you. Cleanse your hands, you sinners, and purify your hearts, you double-minded men.

1 Peter 3:4

but let it be the hidden man of the heart, adorned with the incorruptible ornament of a meek and quiet spirit, which, in the sight of God, is of great price.

Luke 11:39

And the Lord said to him: Now you Pharisees cleanse the outside of the cup and the plate; but your inward part is full of extortion and wickedness.

2 Corinthians 1:12

For the ground of our rejoicing is this: the testimony of our conscience that we have lived in the world more abundantly, indeed, for you in sincerity and godly purity, not in carnal wisdom, but in the grace of God.

Treasury of Scripture Knowledge

Summary

Behold, thou desirest truth in the inward parts: and in the hidden part thou shalt make me to know wisdom.

In the hidden

Bible References

Behold

John 4:23
But the hour is coming, and now is, when the true worshipers will worship the Father in spirit and in truth; for the Father seeks such to worship him.
2 Corinthians 1:12
For the ground of our rejoicing is this: the testimony of our conscience that we have lived in the world more abundantly, indeed, for you in sincerity and godly purity, not in carnal wisdom, but in the grace of God.
James 4:8
draw near to God, and he will draw near to you. Cleanse your hands, you sinners, and purify your hearts, you double-minded men.

Inward

Luke 11:39
And the Lord said to him: Now you Pharisees cleanse the outside of the cup and the plate; but your inward part is full of extortion and wickedness.
Romans 7:22
For, in the inward man, I delight in the law of God:

In the hidden

1 Peter 3:4
but let it be the hidden man of the heart, adorned with the incorruptible ornament of a meek and quiet spirit, which, in the sight of God, is of great price.