I believe in being strong when everything seems to be going wrong.

"I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit."

算法的美在于它们能够用简单的步骤解决复杂的问题。

真正的艺术必须为人民服务，而不是为精英服务。