Don't be afraid of failure, because failure is the stepping stone to success.
每一个数学问题都是一个等待解决的谜题,每一个解答都是向理解现实结构迈进的一步。
I'm not comfortable with comfort. I'm only comfortable when I'm uncomfortable.
森林不需要我们,但我们需要森林——我们的生存依赖于此。
Man is the only creature who refuses to be what he is.