The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.

The greatest weapon against stress is our ability to choose one thought over another.

有时候，最深的痛苦来自于我们无法表达的情感。

To do mathematics is to engage in an act of creation and discovery simultaneously.

在商业上你必须无情，但同时也要公平。

音乐是我们的激情，我们很感激能与世界分享它。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

The concept of a black hole firewall challenges our understanding of quantum mechanics and general relativity.