'Vanity' in the Bible

O ye sons of men, how long shall my glory be turned into dishonor? How long will ye love vanity, and seek after falsehood? Selah

Behold, thou hast made my days as handbreadths; And my life-time is as nothing before thee: Surely every man at his best estate is altogether vanity. Selah

When thou with rebukes dost correct man for iniquity, Thou makest his beauty to consume away like a moth: Surely every man is vanity. Selah

Surely men of low degree are vanity, and men of high degree are a lie: In the balances they will go up; They are together lighter than vanity.

Therefore their days did he consume in vanity, And their years in terror.

Oh remember how short my time is: For what vanity hast thou created all the children of men!

Jehovah knoweth the thoughts of man, That they are vanity.

Turn away mine eyes from beholding vanity, And quicken me in thy ways.

Man is like to vanity: His days are as a shadow that passeth away.