Success is doing what you want to do, when you want, where you want, with whom you want, as much as you want.
介导我们触觉的分子是我们日常体验的无名英雄。
一个数学家的真正价值在于他们留下的问题。
网球是一项需要你在心理和身体上都强大的运动,但心理部分更为重要。