当我唱歌时，我感觉自己在一个不同的世界，一个一切皆有可能的世界。

It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.

"The more that you read, the more things you will know. The more that you learn, the more places you'll go."

Fear doesn't shut you down; it wakes you up.

"Art is not a mirror held up to reality but a hammer with which to shape it."

数学之美不在于其复杂性，而在于其简洁性以及它揭示隐藏真理的方式。

Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.