—— 请按键盘 空白键 开始游戏 ——

The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
The problem with people who have no vices is that generally you can be pretty sure they’re going to have some pretty annoying virtues.
纯数学和应用数学之间的相互作用是真正创新发生的地方。
Every building is a prototype; no two are exactly alike.
In business, if you're not moving forward, you're falling behind.