Twenty years from now

you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.

Mark Twain

Vale, això ja ho sabem tots, i des de fa temps, però ho oblidem fàcilment, així que cal recordar-ho...