Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.

Combinatorics is the art of counting without counting.

可持续性不是一种选择，而是我们对后代的责任。

我不会成为那个必须说最后一句话的女孩。但我会成为那个必须笑到最后的女孩。