James 2:20

But will you know, O vain man, that faith without works is dead?

James 2:26

For as the body without the spirit is dead, so faith without works is dead also.

Job 11:11-12

For He knows vain men; and when He sees wickedness, will He not search it?

Psalm 94:8-11

Understand, you beastly ones among the people; and fools, when will you be wise?

Proverbs 12:11

He who tills his land shall be satisfied with bread; but he who follows vanities lacks heart.

Jeremiah 2:5

So says Jehovah, What injustice have your fathers found in Me, that they have gone far from Me and have walked after vanity, and have become vain?

Romans 1:21

Because, knowing God, they did not glorify Him as God, neither were thankful. But they became vain in their imaginations, and their foolish heart was darkened.

1 Corinthians 15:35-36

But someone will say, How are the dead raised up, and with what body do they come?

Galatians 5:6

For in Christ Jesus neither circumcision nor uncircumcision has any strength, but faith working through love.

Galatians 6:3

For if anyone thinks himself to be something, being nothing, he deceives himself.

Colossians 2:8

Beware lest anyone rob you through philosophy and vain deceit, according to the tradition of men, according to the elements of the world, and not according to Christ.

1 Timothy 1:6

from which some, having swerved, have turned aside to foolish talking,

Titus 1:10

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

James 1:26

If anyone thinks to be religious among you, yet does not bridle his tongue, but deceives his own heart, this one's religion is vain.

James 2:17

Even so, if it does not have works, faith is dead, being by 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 thinks to be religious among you, yet does not bridle his tongue, but deceives his own heart, this one's religion is vain.
Job 11:11
For He knows vain men; and when He sees wickedness, will He not search it?
Psalm 94:8
Understand, you beastly ones among the people; and fools, when will you be wise?
Proverbs 12:11
He who tills his land shall be satisfied with bread; but he who follows vanities lacks heart.
Jeremiah 2:5
So says Jehovah, What injustice have your fathers found in Me, that they have gone far from Me and have walked after vanity, and have become vain?
Romans 1:21
Because, knowing God, they did not glorify Him as God, neither were thankful. But they became vain in their imaginations, and their foolish heart was darkened.
1 Corinthians 15:35
But someone will say, How are the dead raised up, and with what body do they come?
Galatians 6:3
For if anyone thinks himself to be something, being nothing, he deceives himself.
Colossians 2:8
Beware lest anyone rob you through philosophy and vain deceit, according to the tradition of men, according to the elements of the world, and not according to Christ.
1 Timothy 1:6
from which some, having swerved, have turned aside to foolish talking,
Titus 1:10
For there are indeed many unruly men, vain talkers and deceivers, especially those of the circumcision,

That

James 2:14
My brothers, what profit is it if a man says he has faith and does not have works? Can faith save him?

General references

1 Corinthians 15:14
And if Christ has not been raised, then our proclamation is worthless, and your faith is also worthless.