James 2:20

But wilt thou know, O vain man, that faith apart from works is barren?

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 knoweth false men: He seeth iniquity also, even though he consider it not.

Psalm 94:8-11

Consider, ye brutish among the people; And ye fools, when will ye be wise?

Proverbs 12:11

He that tilleth his land shall have plenty of bread; But he that followeth after vain persons is void of understanding.

Jeremiah 2:5

thus saith Jehovah, What unrighteousness have your fathers found in me, that they are gone far from me, and have walked after vanity, and are become vain?

Romans 1:21

because that, knowing God, they glorified him not as God, neither gave thanks; but became vain in their reasonings, and their senseless heart was darkened.

1 Corinthians 15:35-36

But some one will say, How are the dead raised? and with what manner of body do they come?

Galatians 5:6

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

Galatians 6:3

For if a man thinketh himself to be something when he is nothing, he deceiveth himself.

Colossians 2:8

Take heed lest there shall be any one that maketh spoil of you through his philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ:

1 Timothy 1:6

from which things some having swerved have turned aside unto vain talking;

Titus 1:10

For there are many unruly men, vain talkers and deceivers, specially they of the circumcision,

James 1:26

If any man thinketh himself to be religious, while he bridleth not his tongue but deceiveth his heart, this man's religion is vain.

James 2:17

Even so faith, if it have not 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 any man thinketh himself to be religious, while he bridleth not his tongue but deceiveth his heart, this man's religion is vain.
Job 11:11
For he knoweth false men: He seeth iniquity also, even though he consider it not.
Psalm 94:8
Consider, ye brutish among the people; And ye fools, when will ye be wise?
Proverbs 12:11
He that tilleth his land shall have plenty of bread; But he that followeth after vain persons is void of understanding.
Jeremiah 2:5
thus saith Jehovah, What unrighteousness have your fathers found in me, that they are gone far from me, and have walked after vanity, and are become vain?
Romans 1:21
because that, knowing God, they glorified him not as God, neither gave thanks; but became vain in their reasonings, and their senseless heart was darkened.
1 Corinthians 15:35
But some one will say, How are the dead raised? and with what manner of body do they come?
Galatians 6:3
For if a man thinketh himself to be something when he is nothing, he deceiveth himself.
Colossians 2:8
Take heed lest there shall be any one that maketh spoil of you through his philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ:
1 Timothy 1:6
from which things some having swerved have turned aside unto vain talking;
Titus 1:10
For there are many unruly men, vain talkers and deceivers, specially they of the circumcision,

That

James 2:14
What doth it profit, my brethren, if a man say he hath faith, but have not works? can that faith save him?

General references

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

American Standard Version Public Domain