最好的电影是那些让你思考的电影。
One can choose to go back toward safety or forward toward growth. Growth must be chosen again and again; fear must be overcome again and again.
I was neat, clean, shaved and sober, and I didn't care who knew it.
《在北京五族共和合进会与西北协进会的演说》，1912年9月3日。
The study of computation is not just about machines, but about the very nature of thought and logic.
计算的研究不仅仅是关于机器，而是关于思维和逻辑的本质。