The meaning of a sentence is not just in the words themselves， but also in the illocutionary act it performs.

I'm at a payphone trying to call home, all of my change I spent on you.

In a way, if you like, at one end of the spectrum of sympathy, you've got the tabloid newspaper. At the other end of the spectrum, you've got tragedy and tragic art. And I suppose I'm arguing that we should learn a little bit about what's happening in tragic art. It would be insane to call Hamlet a loser. He is not a loser, though he has lost. And I think that is the message of tragedy to us, and why it's so very, very important, I think.

The process of design is a process of discovery.

The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.

最好的数学家是那些不怕冒险的人。