The real tragedy of the poor is that they can afford nothing but self-denial.
The mathematics of spin glasses revealed a hidden structure that applies to many seemingly unrelated problems.
有了一些小成绩就不求上进,这完全不符合我的性格。攀登上一个阶梯,这固然很好,只要还有力气,那就意味着必须再继续前进一步。
Hard work beats talent when talent fails to work hard.