The reason that the invisible hand often seems invisible is that it is often not there.
I'm not afraid of the future; I'm afraid of the past.
I think the most important thing in life is to be true to yourself.
When we write programs that "learn", it turns out that we do and they don't.
我总是告诉我的交易员,‘不要做英雄。不要自负。总是质疑自己的能力。’