Romans 7:22

For in accordance with my better inner nature I approve God's law,

Ephesians 3:16

and beg Him to grant you, in accordance with the riches of His perfect character, to be mightily strengthened by His Spirit in your inmost being,

2 Corinthians 4:16

So I never give up; instead, although my outer nature is wasting away, my inner nature is constantly renewed from day to day.

1 Peter 3:4

but they must be of an internal nature, the character concealed in the heart, in the imperishable quality of a quiet and gentle spirit, which is of great value in the sight of God.

John 4:34

Jesus said to them, "My food is to do the will of Him who sent me, and to finish His work.

Romans 2:29

The real Jew is the man who is a Jew on the inside, and real circumcision is heart-circumcision, a spiritual, not a literal, affair. This man's praise originates, not with men, but with God.

Romans 8:7

Because one's thinking the things suggested by the lower nature means enmity to God, for it does not subject itself to God's law, nor indeed can it.

Colossians 3:9

Stop lying to one another, for you have stripped off the old self with its practices,

Hebrews 8:10

'For this is the covenant that I will make with the house of Israel in those days,' says the Lord; 'I will put my laws into their minds, and write them on their hearts, and I will be their God, and they will be my people. And nevermore will each one need to teach his fellow-citizen,

Treasury of Scripture Knowledge

Summary

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

Bible References

I delight

Romans 8:7
Because one's thinking the things suggested by the lower nature means enmity to God, for it does not subject itself to God's law, nor indeed can it.
John 4:34
Jesus said to them, "My food is to do the will of Him who sent me, and to finish His work.
Hebrews 8:10
'For this is the covenant that I will make with the house of Israel in those days,' says the Lord; 'I will put my laws into their minds, and write them on their hearts, and I will be their God, and they will be my people. And nevermore will each one need to teach his fellow-citizen,