We are all branches on the great tree of life.

科学是一段旅程，每一步都很重要。

The only philosophy which can be responsibly practiced in face of despair is the attempt to contemplate all things as they would present themselves from the standpoint of redemption.

 为他人感到多，为自己感到少；抑制自私，发挥仁慈情感，构成了人性的完美。

学习数学的唯一方法就是做数学。