有人问我什么是幸福，我回答说：不奢求非必需之物。

The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.

你必须对自己的能力有信心，然后足够坚强地坚持下去。

"In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs."

I write to understand the complexity of human experience.