"What old people say you cannot do, you try and find that you can. Old deeds for old people, and new deeds for new." #Thoreau #Quote
— Henry David Thoreau (@ThoreauPage) February 20, 2015
And I'm not sure I agree with it. I can see that "old people" might say it's can't be done; I don't think that the chronologically old are automatically disqualified from doing new things.