不要等待完美的时刻,抓住这一刻并让它变得完美。
Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom, in the pursuit of truth as in the endeavour after a worthy manner of life.
The only way to escape the past is to confront it.
有史以来最大的发现就是,一个人仅仅改变自己的态度,就能改变他的未来。
The progress of mathematics is measured by the number of problems it can solve.