The mathematics of spin glasses revealed a hidden structure that applies to many seemingly unrelated problems.

The only person you should try to be better than is the person you were yesterday.

所以，储备是国家最重要的事；粮食是国家的宝物；武器是国家的利爪；城池是守卫国家的屏障。 

在一个乐队里的想法是成为帮派的一部分。

The only limit to our realization of tomorrow will be our doubts of today.

历史总是个人的。