Romans 11:6

But if in love, then no longer as a result of obedience. Otherwise love would cease to be love.

Romans 3:27-28

What, then, becomes of our boasting? It is excluded. By what sort of Law? A Law requiring obedience? No, a Law requiring faith.

Romans 4:4-5

Now wages are regarded as due to the man who works, not as a favor, but as a debt;

Romans 5:20-21

Law was introduced in order that offences might be multiplied. But, where sins were multiplied, the loving-kindness of God was lavished the more,

1 Corinthians 15:10

But it is through the love of God that I am what I am, and the love that he showed me has not been wasted. No, I have toiled harder than any of them, and yet it was not I, but the love of God working with me.

Galatians 2:21

I do not reject the love of God. If righteousness comes through Law, then there was no need for Christ to die!

Galatians 5:4

You have severed yourselves from Christ--you who are seeking to be pronounced righteous through Law; you have fallen away from love.

Ephesians 2:4-9

Yet God, in his abundant compassion, and because of the great love with which he loved us,

2 Timothy 1:9

It was God who saved us, and from him we received our solemn Call--not as a reward for anything that we had done, but in fulfillment of his own loving purpose. For that love was extended to us, through Christ Jesus, before time began,

Titus 3:5

not as the result of any righteous actions that we had done, but in fulfillment of his merciful purposes. He saved us by that Washing which was a New Birth to us, and by the renewing power of the Holy Spirit,

Treasury of Scripture Knowledge

Summary

And if by grace, then is it no more of works: otherwise grace is no more grace. But if it be of works, then is it no more grace: otherwise work is no more work.

General references

Bible References

And if

Romans 3:27
What, then, becomes of our boasting? It is excluded. By what sort of Law? A Law requiring obedience? No, a Law requiring faith.
Romans 4:4
Now wages are regarded as due to the man who works, not as a favor, but as a debt;
Romans 5:20
Law was introduced in order that offences might be multiplied. But, where sins were multiplied, the loving-kindness of God was lavished the more,
1 Corinthians 15:10
But it is through the love of God that I am what I am, and the love that he showed me has not been wasted. No, I have toiled harder than any of them, and yet it was not I, but the love of God working with me.
Galatians 2:21
I do not reject the love of God. If righteousness comes through Law, then there was no need for Christ to die!
Galatians 5:4
You have severed yourselves from Christ--you who are seeking to be pronounced righteous through Law; you have fallen away from love.
Ephesians 2:4
Yet God, in his abundant compassion, and because of the great love with which he loved us,
2 Timothy 1:9
It was God who saved us, and from him we received our solemn Call--not as a reward for anything that we had done, but in fulfillment of his own loving purpose. For that love was extended to us, through Christ Jesus, before time began,
Titus 3:5
not as the result of any righteous actions that we had done, but in fulfillment of his merciful purposes. He saved us by that Washing which was a New Birth to us, and by the renewing power of the Holy Spirit,

General references

Acts 28:24
Some were inclined to accept what he said; others, however, rejected it.
Romans 4:4
Now wages are regarded as due to the man who works, not as a favor, but as a debt;
Ephesians 2:9
It is not due to obedience to Law, lest any one should boast.