James 89:47

14 whereas you do not know what will happen tomorrow. For what is your life? It is even a vapor that appears for a little time and then vanishes away.

Psalm 89:47-48

47 Remember how short my time is; For what futility have You created all the children of men?
48 What man can live and not see death? Can he deliver his life from the power of the grave?

Psalm 39:4-5

4 “Lord, make me to know my end, And what is the measure of my days, That I may know how frail I am.
5 Indeed, You have made my days as handbreadths, And my age is as nothing before You; Certainly every man at his best state is but vapor.

Hebrews 9:27

27 And as it is appointed for men to die once, but after this the judgment,

Job 16:22

22 For when a few years are finished, I shall go the way of no return.