Change the way you look at things and the things you look at change.

做数学就是同时参与创造和发现的行为。

皮革的真正成本不在价格标签上，而是以节约的水资源、保护的生态系统和公平对待的工人来衡量。

I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be - and then to fight so hard for it every day that the lie becomes the truth.

人们不应该研究这样的问题，应该把它们留给哲学家。