Remember now your Creator in the days of your youth, while the evil days do not come, nor the years draw near, when you shall say, I have no pleasure in them.

For You write bitter things against me, and make me to possess the sins of my youth.

Do not remember the sins of my youth, or my rebellings; according to Your mercy remember me for Your goodness' sake, O Jehovah.

Then, all these things being about to be dissolved, what sort ought you to be in holy behavior and godliness,

Sorrow

For we are burned up by Your anger, and by Your wrath we are troubled.

And put

His bones are full of his youthful vigor, but it lies down with him in the dust.

Then having these promises, dearly beloved, let us cleanse ourselves from all defilements of flesh and spirit, perfecting holiness in the fear of God.

But flee youthful lusts, and follow righteousness, faith, love, peace, with those who call on the Lord out of a pure heart.

For

Vanity of vanities, says the preacher, vanity of vanities! All is vanity.

Behold, You have made my days as a handbreadth, and my age is as nothing before You. Surely every man standing is altogether vanity. Selah.

Foolishness is bound in the heart of a child; the rod of correction shall drive it far from him.

General references

Vanity of vanities, says the preacher, vanity of vanities! All is vanity.