There is an extremely powerful force that, so far, science has not found a formal explanation to. It is a force that includes and governs all others, and is even behind any phenomenon operating in the universe and has not yet been identified by us. This universal force is LOVE. — from Albert Einstein's letter to his daughter Lieserl. Full lette... See more

One of the biggest reasons it gets harder to do new things as you get older is that new things are generally undignified at first (indeed, this is an excellent heuristic for discovering them) and the older you get, the more dignified you're expected to be.