Whatever is well conceived is clearly said, And the words to say it flow with ease.
Science is not just a collection of facts; it's a way of thinking.
The only way to learn mathematics is to do mathematics.
I've probably earned the right to screw up a few times. I don't want the fear of failure to stop me from doing what I really care about.
你不能害怕那些想要伤害你的人,因为如果你畏惧生活,你就永远不会真正地活过。