James 2:20

But will you understand, you senseless fellow, that faith without deeds is dead?

James 2:26

For as the body without the breath of life is dead, so faith is dead without deeds.

Romans 1:21

Though they knew God, they have not glorified him as God nor given thanks to him; they have turned to futile speculations till their ignorant minds grew dark.

1 Corinthians 15:35-36

But, someone will ask, 'how do the dead rise? What kind of body have they when they come?'

Galatians 5:6

in Christ Jesus circumcision is not valid, neither is uncircumcision, but only faith active in love.

Galatians 6:3

If anyone imagines he is somebody, he is deceiving himself, for he is nobody;

Colossians 2:8

Beware of anyone getting hold of you by means of a theosophy which is specious make-believe, on the lines of human tradition, corresponding to the Elemental spirits of the world and not to Christ.

1 Timothy 1:6

Certain individuals have failed here by turning to empty argument;

Titus 1:10

For there are plenty of insubordinate creatures who impose on people with their empty arguments, particularly those who have come over from Judaism;

James 1:26

Whoever considers he is religious, and does not bridle his tongue, but deceives his own heart, his religion is futile.

James 2:17

So faith, unless it has deeds, 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
Whoever considers he is religious, and does not bridle his tongue, but deceives his own heart, his religion is futile.
Romans 1:21
Though they knew God, they have not glorified him as God nor given thanks to him; they have turned to futile speculations till their ignorant minds grew dark.
1 Corinthians 15:35
But, someone will ask, 'how do the dead rise? What kind of body have they when they come?'
Galatians 6:3
If anyone imagines he is somebody, he is deceiving himself, for he is nobody;
Colossians 2:8
Beware of anyone getting hold of you by means of a theosophy which is specious make-believe, on the lines of human tradition, corresponding to the Elemental spirits of the world and not to Christ.
1 Timothy 1:6
Certain individuals have failed here by turning to empty argument;
Titus 1:10
For there are plenty of insubordinate creatures who impose on people with their empty arguments, particularly those who have come over from Judaism;

That

James 2:14
My brothers, what is the use of anyone declaring he has faith, if he has no deeds to show? Can his faith save him?

General references

1 Corinthians 15:14
and if Christ did not rise, then our preaching has gone for nothing, and your faith has gone for nothing too.