In a world filled with hate, we must still dare to hope. In a world filled with anger, we must still dare to comfort. In a world filled with despair, we must still dare to dream. And in a world filled with distrust, we must still dare to believe.
"To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death."
The beauty of mathematics only shows itself to more patient followers.
感知的动态受“完形律”（良好形式）原则支配。
学校必须与生活紧密相连，教育与劳动相结合。
与人相处，不能任性，要了解人情；行事也不能固执，要明白事理。
最好的经济解决方案往往是反直觉的。
这不是关于你看起来如何，而是关于你如何看待自己。
I am heartily rejoiced that my term is so near its close.
What we need to do is not to follow, but to lead.
数学和物理学之间的相互作用是宇宙的舞蹈，由自然法则编排。