John 4:23-24

But the time is coming, it has come already, when the real worshippers will worship the Father in Spirit and in reality; for these are the worshippers that the Father wants.

Romans 7:22

I cordially agree with God's law, so far as my inner self is concerned,

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.

1 Peter 3:4

but inside, in the heart, with the immortal beauty of a gentle and modest spirit, which in the sight of God is of rare value.

Luke 11:39

but the Lord said to him, "You Pharisees do clean the outside of the cup and the plate, but your inner life is filled with rapacity and malice.

2 Corinthians 1:12

My proud boast is the testimony of my conscience that holiness and godly sincerity, not worldly cunning but the grace of God, have marked my conduct in the outside world and in particular my relations with you.

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 time is coming, it has come already, when the real worshippers will worship the Father in Spirit and in reality; for these are the worshippers that the Father wants.
2 Corinthians 1:12
My proud boast is the testimony of my conscience that holiness and godly sincerity, not worldly cunning but the grace of God, have marked my conduct in the outside world and in particular my relations with you.
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.

Inward

Luke 11:39
but the Lord said to him, "You Pharisees do clean the outside of the cup and the plate, but your inner life is filled with rapacity and malice.
Romans 7:22
I cordially agree with God's law, so far as my inner self is concerned,

In the hidden

1 Peter 3:4
but inside, in the heart, with the immortal beauty of a gentle and modest spirit, which in the sight of God is of rare value.