"I don't think you can ever do your best. Doing your best is a process of trying to do your best."

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.

每一个人都应当为自己的行为负责。

"The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'"

I think the best way to get over someone is to get under someone else.