—— 请按键盘 空白键 开始游戏 ——

To do things with words is not a special kind of doing, but a special kind of speaking.
I'm not scared of dying, I'm scared of not living.
Scientific rigor is the foundation of everything we do; without it, trust is impossible.
——《在沪举办茶话会上的演说》(1916年7月17日)