人間は、自分が信じたいものを信じる。

A proof tells us where to concentrate our doubts.

有创造力的成年人就是幸存下来的孩子。

I've been waiting more than 30 years to say this: "Dad, I always told you I'd come back and get my degree." I want to thank Harvard for this timely honor. I'll be changing my job next year…and it will be nice to finally have a college degree on my resume.

The true test of a mathematical idea is its ability to inspire further thought.

正向强化的实施方式比其数量更重要。