Bible Verses About Vanity: Worldly wisdom is

Then I thought in mine heart, It befalleth vnto me, as it befalleth to ye foole. Why therefore doe I then labour to be more wise? And I sayd in mine heart, that this also is vanitie.

For there is a man whose trauaile is in wisdome, and in knowledge and in equitie: yet to a man that hath not trauailed herein, shall he giue his portion: this also is vanitie and a great griefe.

And againe, The Lord knoweth that the thoughtes of the wise be vaine.