"Live on, survive, for the Earth gives forth wonders. It may swallow your heart, but the wonders keep on coming. You stand before them bareheaded, shriven. What is expected of you is attention."
Salman Rushdie, from The Ground Beneath Her Feet.
A more recent one, meditation-related, short and simple and I have no idea who said it, I just happened to catch it a couple of years ago on a website-that-shall-not-be-named: