语言塑造了我们的思维方式，并决定了我们可以思考的内容。
Language shapes the way we think, and determines what we can think about.
会有障碍。会有怀疑者。会有错误。但只要努力，就没有限制。
Quality should never be compromised for short-term gains.
在计算复杂性中，我们不仅仅是在处理我们能计算的极限，也是在处理我们能证明的极限。
Education is a lamp, but too many never find the switch.
There is no despair so absolute as that which comes with the first moments of our first great sorrow, when we have not yet known what it is to have suffered and be healed, to have despaired and have recovered.