I know not how to aid you, save in the assurance of one of mature age, and much severe experience, that you can not fail, if you resolutely determine, that you will not.
We are sure that, though we know not how, necessity does comport with liberty, the individual with the world, my polarity with thespirit of the times. The riddle of the age has for each a private solution.
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!
There are many mysteries in old age but the greatest, surely, is this: in those adverts for walk-in bathtubs, why doesn't all the water gush out when you get in?