Romans 11:6

And if it is by grace, then it is no longer on the basis of works; otherwise, grace would no longer be grace.

Romans 3:27-28

Where then is our boasting? It is excluded. On what law? On the law of works? No, but on the law of faith.

Romans 4:4-5

Now to him who works, his wages are not reckoned as a gift but as his due.

Romans 5:20-21

Law came in, that the trespass might increase. But where sin increased, grace abounded all the more,

1 Corinthians 15:10

But by the grace of God I am what I am, and his grace toward me was not in vain. No, I worked harder than all of themyet not I, but the grace of God that was with me.

Galatians 2:21

I do not nullify the grace of God, for if righteousness comes through the Law, then Christ died for nothing."

Galatians 5:4

You have been severed from Christ, you who are seeking to be justified by law; you have fallen away from grace.

Ephesians 2:4-9

But God, who is rich in mercy, because of his great love with which he loved us,

2 Timothy 1:9

who has saved us and called us with a holy calling, not according to our works, but according to his own purpose and the grace which was granted us in Christ Jesus from all eternity,

Titus 3:5

he saved us, not on the basis of deeds which we have done in righteousness, but because of his own mercy, by the washing of regeneration and renewal in 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
Where then is our boasting? It is excluded. On what law? On the law of works? No, but on the law of faith.
Romans 4:4
Now to him who works, his wages are not reckoned as a gift but as his due.
Romans 5:20
Law came in, that the trespass might increase. But where sin increased, grace abounded all the more,
1 Corinthians 15:10
But by the grace of God I am what I am, and his grace toward me was not in vain. No, I worked harder than all of themyet not I, but the grace of God that was with me.
Galatians 2:21
I do not nullify the grace of God, for if righteousness comes through the Law, then Christ died for nothing."
Galatians 5:4
You have been severed from Christ, you who are seeking to be justified by law; you have fallen away from grace.
Ephesians 2:4
But God, who is rich in mercy, because of his great love with which he loved us,
2 Timothy 1:9
who has saved us and called us with a holy calling, not according to our works, but according to his own purpose and the grace which was granted us in Christ Jesus from all eternity,
Titus 3:5
he saved us, not on the basis of deeds which we have done in righteousness, but because of his own mercy, by the washing of regeneration and renewal in the Holy Spirit,

General references

Acts 28:24
Some were convinced by what he said, but others would not believe.
Romans 4:4
Now to him who works, his wages are not reckoned as a gift but as his due.
Ephesians 2:9
not as a result of works, so that no one may boast.