Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.

教育的功能是教会人们深入思考和批判性思考。智慧加上品格——这才是真正教育的目标。

释义：不管物品的大小如何，当供不应求时，它就会变得珍贵。

科学的进步是逐渐认识到我们面临的问题并不像它们看起来那么简单。