The only way to learn mathematics is to do mathematics.
学习数学的唯一方法就是做数学。
The best buildings are those that age gracefully.
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.
处理一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。
最好的学习方法就是动手去做——在实验室里亲自动手。
The truth is not always beautiful, but the pursuit of truth is always beautiful.