如果您不愿意对它们负责，那就不要有好主意。
The man who wants to lead the orchestra must turn his back on the crowd.
The history of mathematics is a history of human thought and progress.
It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.
我是自由的，那就是我迷失的原因。
I create not for beauty, but for truth.