For what youth longs for, old age has attained. A young person hopes to have a long life, but an old man has already had one.

Knowledge in youth is wisdom in age.

Youth, Day, Old Age and Night Youth, large, lusty, loving — youth full of grace, force, fascination, Do you know that Old Age may come after you with equal grace, force, fascination?

Ah! realize your youth while you have it. Don’t squander the gold of your days, listening to the tedious, trying to improve the hopeless failure, or giving away your life to the ignorant, the common, and the vulgar. These are the sickly aims, the false ideals, of our age. Live! Live the wonderful life that is in you! Let nothing be lost upon you. Be always searching for new sensations. Be afraid of nothing.

Take kindly the counsel of the years,
gracefully surrendering the things of youth.

Muoth was right. On growing old, one becomes more contented than in one's youth, which I will not therefore revile, for in all my dreams I hear my youth like a wonderful song which now sounds more harmonious than it did in reality, and even sweeter

"Youth calls to age across the tired years: 'What have you found,' he cries, 'what have you sought?" 'What have you found,' age answers through his tears, 'What have you sought.

We must stand up against old age and make up for its drawbacks by taking pains. We must fight it as we should an illness. We must look after our health, use moderate exercise, take just enough food and drink to recruit, but not to overload, our strength. Nor is it the body alone that must be supported, but the intellect and soul much more.

La jeunesse est le temps d'étudier la sagesse; la vieillesse est le temps de la pratiquer.

Those who lack within themselves the means for living a blessed and happy life will find any age painful.
- How to grow old: ancient wisdom for the second half of life.

You will come to know things that can only be known with the wisdom of age and the grace of years. Most of those things will have to do with forgiveness.

I had given up some youth for knowledge, but my gain was more valuable than the loss

Let the youth remember that here they are to build characters for eternity, and that God requires them to do their best. Let those older in experience watch over the younger ones; and when they see them tempted, take them aside, and pray with them and for them.

Education is the best provision for old age