Success is not final, failure is not fatal: It is the courage to continue that counts.

Life is about creating yourself.

发现的喜悦是推动数学家前进的动力。

一棵树的真正价值是用几十年衡量的，而不是美元。

"Sometimes, the hardest part isn't letting go but rather learning to start over."

你做出的最重要决定是保持好心情。