人は、自分が思っている以上に強い。
人比自己想象的要坚强。
当我们无法谈论某件事时,它就变得危险。
Education is the art of making man ethical.
The worst enemy of life, freedom and the common decencies is total anarchy; their second worst enemy is total power.
The theory of computation provides a foundation for understanding what can and cannot be computed.