1 Timothy 1:8

But we know that the law is good, if a man uses it lawfully,

Romans 7:16

But if what I don't desire, that I do, I consent to the law that it is good.

Romans 7:12-13

Therefore the law indeed is holy, and the commandment holy, and righteous, and good.

Deuteronomy 4:6-8

Keep therefore and do them; for this is your wisdom and your understanding in the sight of the peoples, who shall hear all these statutes, and say, "Surely this great nation is a wise and understanding people."

Nehemiah 9:13

"You came down also on Mount Sinai, and spoke with them from heaven, and gave them right ordinances and true laws, good statutes and commandments,

Psalm 19:7-10

Yahweh's law is perfect, restoring the soul. Yahweh's testimony is sure, making wise the simple.

Psalm 119:96-105

I have seen a limit to all perfection, but your commands are boundless. MEM

Psalm 119:127-128

Therefore I love your commandments more than gold, yes, more than pure gold.

Romans 7:18

For I know that in me, that is, in my flesh, dwells no good thing. For desire is present with me, but I don't find it doing that which is good.

Romans 7:22

For I delight in God's law after the inward man,

Romans 12:2

Don't be conformed to this world, but be transformed by the renewing of your mind, so that you may prove what is the good, well-pleasing, and perfect will of God.

Galatians 3:21

Is the law then against the promises of God? Certainly not! For if there had been a law given which could make alive, most certainly righteousness would have been of the law.

2 Timothy 2:5

Also, if anyone competes in athletics, he isn't crowned unless he has competed by the rules.

Treasury of Scripture Knowledge

Summary

But we know that the law is good, if a man use it lawfully;

Lawfully

Bible References

The law

Deuteronomy 4:6
Keep therefore and do them; for this is your wisdom and your understanding in the sight of the peoples, who shall hear all these statutes, and say, "Surely this great nation is a wise and understanding people."
Nehemiah 9:13
"You came down also on Mount Sinai, and spoke with them from heaven, and gave them right ordinances and true laws, good statutes and commandments,
Psalm 19:7
Yahweh's law is perfect, restoring the soul. Yahweh's testimony is sure, making wise the simple.
Psalm 119:96
I have seen a limit to all perfection, but your commands are boundless. MEM
Romans 7:12
Therefore the law indeed is holy, and the commandment holy, and righteous, and good.
Romans 12:2
Don't be conformed to this world, but be transformed by the renewing of your mind, so that you may prove what is the good, well-pleasing, and perfect will of God.
Galatians 3:21
Is the law then against the promises of God? Certainly not! For if there had been a law given which could make alive, most certainly righteousness would have been of the law.

Lawfully

2 Timothy 2:5
Also, if anyone competes in athletics, he isn't crowned unless he has competed by the rules.