1 Timothy 1:8

We are conscious that the law is good, if a man makes a right use of it,

Romans 7:16

But, if I do that which I have no mind to do, I am in agreement with the law that the law is good.

Romans 7:12-13

But the law is holy, and its orders are holy, upright, and good.

Deuteronomy 4:6-8

So keep these laws and do them; for so will your wisdom and good sense be clear in the eyes of the peoples, who hearing all these laws will say, Truly, this great nation is a wise and far-seeing people.

Nehemiah 9:13

And you came down on Mount Sinai, and your voice came to them from heaven, giving them right decisions and true laws, good rules and orders:

Psalm 19:7-10

The law of the Lord is good, giving new life to the soul: the witness of the Lord is certain, giving wisdom to the foolish.

Psalm 119:96-105

I have seen that nothing on earth is complete; but your teaching is very wide.

Psalm 119:127-128

For this reason I have greater love far your teachings than for gold, even for shining gold.

Romans 7:18

For I am conscious that in me, that is, in my flesh, there is nothing good: I have the mind but not the power to do what is right.

Romans 7:22

In my heart I take pleasure in the law of God,

Romans 12:2

And let not your behaviour be like that of this world, but be changed and made new in mind, so that by experience you may have knowledge of the good and pleasing and complete purpose of God.

Galatians 3:21

Is the law then against the words of God? in no way; because if there had been a law which was able to give life, truly righteousness would have been by the law.

2 Timothy 2:5

And if a man takes part in a competition he does not get the crown if he has not kept 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
So keep these laws and do them; for so will your wisdom and good sense be clear in the eyes of the peoples, who hearing all these laws will say, Truly, this great nation is a wise and far-seeing people.
Nehemiah 9:13
And you came down on Mount Sinai, and your voice came to them from heaven, giving them right decisions and true laws, good rules and orders:
Psalm 19:7
The law of the Lord is good, giving new life to the soul: the witness of the Lord is certain, giving wisdom to the foolish.
Psalm 119:96
I have seen that nothing on earth is complete; but your teaching is very wide.
Romans 7:12
But the law is holy, and its orders are holy, upright, and good.
Romans 12:2
And let not your behaviour be like that of this world, but be changed and made new in mind, so that by experience you may have knowledge of the good and pleasing and complete purpose of God.
Galatians 3:21
Is the law then against the words of God? in no way; because if there had been a law which was able to give life, truly righteousness would have been by the law.

Lawfully

2 Timothy 2:5
And if a man takes part in a competition he does not get the crown if he has not kept the rules.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain