Also: Equity will not compel a court to do a vain and useless thing.

He wanted to go on playing it, to spy around and imagine vain things.

Yoseh thought it a vain and foolish thing to parade the weakness of the occupying forces.

The strongest blow of a cutting weapon is a vain thing against it.

Also, words are a vain thing and drive to despair.

Then are gods vain things and the playthings of men.

But it was a vain thing, and I speedily forwent the thought of it.

In his view man's justice was a vain thing; only God's justice mattered.

The argument that the decentralisation of London would ameliorate conditions is a vain thing and false.

What a vain and foolish thing was hope under such circumstances!