Geometry is not just about shapes; it is about understanding the space we live in and the relationships within it.
The people who live in a golden age usually go around complaining how yellow everything looks.
乐观主义者认为这是所有可能世界中最好的一个。悲观主义者知道确实如此。
企业要有社会责任感,不能只追求利润而忽视对环境的保护。
Success in business requires training and discipline and hard work. But if you're not frightened by these things, the opportunities are just as great today as they ever were.