Reference

Psalms 39:4

Lord, make me to know mine end, and the measure of my days, what it is; that I may know how frail I am.
2

I was dumb with silence, I held my peace, even from good; and my sorrow was stirred.

3

My heart was hot within me, while I was musing the fire burned: then spake I with my tongue,

4

Lord, make me to know mine end, and the measure of my days, what it is; that I may know how frail I am.

5

Behold, thou hast made my days as an handbreadth; and mine age is as nothing before thee: verily every man at his best state is altogether vanity. Selah.

6

Surely every man walketh in a vain shew: surely they are disquieted in vain: he heapeth up riches, and knoweth not who shall gather them.