Romans 11:6

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

Deuteronomy 9:4-6

"Do not say in your heart, after the LORD your God has thrust them out before you, 'It is because of my righteousness that the LORD has brought me in to possess this land,' whereas it is because of the wickedness of these nations that the LORD is driving them out before you.

Romans 3:27-28

Then what becomes of our boasting? It is excluded. By what kind of law? By a law of works? No, but by the law of faith.

Romans 4:4-5

Now to the one who works, his wages are not counted as a gift but as his due.

Romans 5:20-21

Now the law came in to increase the trespass, 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. On the contrary, I worked harder than any of them, though it was not I, but the grace of God that is with me.

Galatians 2:21

I do not nullify the grace of God, for if righteousness were through the law, then Christ died for no purpose.

Galatians 5:4

You are severed from Christ, you who would be justified by the law; you have fallen away from grace.

Ephesians 2:4-9

But God, being rich in mercy, because of the great love with which he loved us,

2 Timothy 1:9

who saved us and called us to a holy calling, not because of our works but because of his own purpose and grace, which he gave us in Christ Jesus before the ages began,

Titus 3:5

he saved us, not because of works done by us in righteousness, but according to his own mercy, by the washing of regeneration and renewal 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.

Bible References

And if

Romans 3:27
Then what becomes of our boasting? It is excluded. By what kind of law? By a law of works? No, but by the law of faith.
Romans 4:4
Now to the one who works, his wages are not counted as a gift but as his due.
Romans 5:20
Now the law came in to increase the trespass, but where sin increased, grace abounded all the more,
Deuteronomy 9:4
"Do not say in your heart, after the LORD your God has thrust them out before you, 'It is because of my righteousness that the LORD has brought me in to possess this land,' whereas it is because of the wickedness of these nations that the LORD is driving them out before you.
1 Corinthians 15:10
But by the grace of God I am what I am, and his grace toward me was not in vain. On the contrary, I worked harder than any of them, though it was not I, but the grace of God that is with me.
Galatians 2:21
I do not nullify the grace of God, for if righteousness were through the law, then Christ died for no purpose.
Galatians 5:4
You are severed from Christ, you who would be justified by the law; you have fallen away from grace.
Ephesians 2:4
But God, being rich in mercy, because of the great love with which he loved us,
2 Timothy 1:9
who saved us and called us to a holy calling, not because of our works but because of his own purpose and grace, which he gave us in Christ Jesus before the ages began,
Titus 3:5
he saved us, not because of works done by us in righteousness, but according to his own mercy, by the washing of regeneration and renewal of the Holy Spirit,

General references

Genesis 6:8
But Noah found favor in the eyes of the LORD.
Psalm 44:9
But you have rejected us and disgraced us and have not gone out with our armies.
Isaiah 17:6
Gleanings will be left in it, as when an olive tree is beaten-- two or three berries in the top of the highest bough, four or five on the branches of a fruit tree, declares the LORD God of Israel.
Isaiah 65:8
Thus says the LORD: "As the new wine is found in the cluster, and they say, 'Do not destroy it, for there is a blessing in it,' so I will do for my servants' sake, and not destroy them all.
Lamentations 3:31
For the Lord will not cast off forever,
Ezekiel 6:8
"Yet I will leave some of you alive. When you have among the nations some who escape the sword, and when you are scattered through the countries,
Acts 28:24
And some were convinced by what he said, but others disbelieved.
Romans 4:4
Now to the one who works, his wages are not counted as a gift but as his due.
Ephesians 2:9
not a result of works, so that no one may boast.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.