The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
The best revenge is massive success.
不要等待完美的时刻，抓住这一刻并让它变得完美。
帮助地球最有效的方法就是停止食用动物。
Theorems are the milestones of mathematics.
The power of the state should be used to protect the rights of the individual, not to suppress them.
国家的权力应该用来保护个人的权利，而不是压制他们。
To sing is to pray twice.