But thy strong Hours indignant work’d their wills, And beat me down and marr’d and wasted me, And tho’ they could not end me, left me maim’d To dwell in presence of immortal youth, Immortal age beside immortal youth, And all I was, in ashes. - Tithonus
If you don't begin to be a revolutionist at the age of twenty, then at fifty you will be a most impossible old fossil. If you area red revolutionary at the age of twenty, you have some chance of being up-to-date when you are forty!
Why since I am myself subject to birth, ageing, disease, death, sorrows and defilement, do I seek after what is also subject to these things? Suppose, being myself subject these things, seeking danger in them, I were to seek the unborn, unageing, und.
If a man lives to any considerable age, it can not be denied that he laments his imprudences, but I notice he often laments his youth a deal more bitterly and with a more genuine intonation.