—— 请按键盘 空白键 开始游戏 ——

"To choose doubt as a philosophy of life is akin to choosing immobility as a means of transportation."
The best science is done with both hands dirty and minds clear.
复杂性不仅仅是系统中组件的数量,而是它们相互作用的性质。
有人问我什么是幸福,我回答说:不奢求非必需之物。