All men have the stars, but they are not the same things for different people. For some, who are travelers, the stars are guides. For others they are no more than little lights in the sky. For others, who are scholars, they are problems. For my businessman they were wealth.
Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.
追求科学不是一种奢侈,而是人类生存的必要条件。