James 2:20

But do you want to know, vain man, that faith apart from works is dead?

James 2:26

For as the body apart from the spirit is dead, even so faith apart from works is dead.

Job 11:11-12

For he knows false men. He sees iniquity also, even though he doesn't consider it.

Psalm 94:8-11

Consider, you senseless among the people; you fools, when will you be wise?

Proverbs 12:11

He who tills his land shall have plenty of bread, but he who chases fantasies is void of understanding.

Jeremiah 2:5

Thus says Yahweh, "What unrighteousness have your fathers found in me, that they have gone far from me, and have walked after vanity, and are become vain?

Romans 1:21

Because, knowing God, they didn't glorify him as God, neither gave thanks, but became vain in their reasoning, and their senseless heart was darkened.

1 Corinthians 15:35-36

But someone will say, "How are the dead raised?" and, "With what kind of body do they come?"

Galatians 5:6

For in Christ Jesus neither circumcision amounts to anything, nor uncircumcision, but faith working through love.

Galatians 6:3

For if a man thinks himself to be something when he is nothing, he deceives himself.

Colossians 2:8

Be careful that you don't let anyone rob you through his philosophy and vain deceit, after the tradition of men, after the elements of the world, and not after Christ.

1 Timothy 1:6

from which things some, having missed the mark, have turned aside to vain talking;

Titus 1:10

For there are also many unruly men, vain talkers and deceivers, especially those of the circumcision,

James 1:26

If anyone among you thinks himself to be religious while he doesn't bridle his tongue, but deceives his heart, this man's religion is worthless.

James 2:17

Even so faith, if it has no works, is dead in itself.

Treasury of Scripture Knowledge

Summary

But wilt thou know, O vain man, that faith without works is dead?

That

General references

Bible References

O vain

James 1:26
If anyone among you thinks himself to be religious while he doesn't bridle his tongue, but deceives his heart, this man's religion is worthless.
Job 11:11
For he knows false men. He sees iniquity also, even though he doesn't consider it.
Psalm 94:8
Consider, you senseless among the people; you fools, when will you be wise?
Proverbs 12:11
He who tills his land shall have plenty of bread, but he who chases fantasies is void of understanding.
Jeremiah 2:5
Thus says Yahweh, "What unrighteousness have your fathers found in me, that they have gone far from me, and have walked after vanity, and are become vain?
Romans 1:21
Because, knowing God, they didn't glorify him as God, neither gave thanks, but became vain in their reasoning, and their senseless heart was darkened.
1 Corinthians 15:35
But someone will say, "How are the dead raised?" and, "With what kind of body do they come?"
Galatians 6:3
For if a man thinks himself to be something when he is nothing, he deceives himself.
Colossians 2:8
Be careful that you don't let anyone rob you through his philosophy and vain deceit, after the tradition of men, after the elements of the world, and not after Christ.
1 Timothy 1:6
from which things some, having missed the mark, have turned aside to vain talking;
Titus 1:10
For there are also many unruly men, vain talkers and deceivers, especially those of the circumcision,

That

James 2:14
What good is it, my brothers, if a man says he has faith, but has no works? Can faith save him?

General references

1 Corinthians 15:14
If Christ has not been raised, then our preaching is in vain, and your faith also is in vain.