Shortness

Psalms 90:12

So teach us to number our days, that we may apply our hearts unto wisdom.

1 Peter 1:23

Being born again, not of corruptible seed, but of incorruptible, by the word of God, which liveth and abideth for ever.

1 Peter 4:2

That he no longer should live the rest of his time in the flesh to the lusts of men, but to the will of God.

Job 14:1

Man that is born of a woman is of few days, and full of trouble.

Psalms 25:4

Shew me thy ways, O LORD; teach me thy paths.