The most glorious moments in your life are not the so-called days of success, but rather those days when out of dejection and despair you feel rise in you a challenge to life, and the promise of future accomplishment.

如果你想成功，就从别人的错误中学习。

过去从未死去。它甚至不是过去。

我们对宇宙了解得越多，就越意识到我们不知道的还有很多。