Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事，你就会成功。
在数学中，最简单的问题往往导致最深刻的发现。
There are unknown forces in nature; when we give ourselves wholly to her, without reserve, she lends them to us; she shows us these forms, which our watching eyes do not see, which our intelligence does not understand or suspect.
最终，爱才是最重要的。
你喜欢的东西，并不意味着世界一定会给你。
在观察的领域里，机遇只青睐有准备的头脑。