Royalty consists not in vain pomp, but in great virtues

For good undone, and gifts misspent, and resolutions vain

If you intend to speak a vain word, replace it with a tasbih.

Even our smallest attempts are not in vain. We know that nothing is lost.

I have a theory that evolutionary biologists are more vain than particle physicists.

And weep the more, because I weep in vain.

I'm as vain as the next guy. I have a facade on right now. But you can't see it, because it's reality-based.

Who talks much, must talk in vain.

One says a lot in vain, refusing; The other mainly hears the "No.

Unless we find repose within ourselves, it is vain to seek it elsewhere.