I was never really insane except upon occasions when my heart was touched.

The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

"The future belongs to those who believe in the beauty of their dreams."

The AdS/CFT correspondence is a profound insight into the nature of reality, bridging the gap between quantum mechanics and general relativity.

坚持做自己喜欢的事情，即使遇到困难也不要轻易放弃。