So remember to look up at the stars and not down at your feet. Try to make sense of what you see and hold on to that childlike wonder about what makes the universe exist.
Stephen HawkingWe think we have solved the mystery of creation. Maybe we should patent the universe and charge everyone royalties for their existence.
Stephen HawkingA model is a good model if first it interprets a wide range of observations in terms of a simple and elegant model, and second if the model makes definite predictions that can be tested, and possibly falsified, by observation.
Stephen Hawking