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

Identify your problems, but give your power and energy to solutions.

感谢一位改变了你生活的老师。

在人类（和动物）的漫长历史中，那些学会最有效合作和即兴发挥的人才能胜出。

That “democracy” is a somewhat vague term which I cannot define precisely. We ought to say, therefore: “I am fairly certain that it is a good thing if a government has something of the characteristics that are common to the British and American Constitutions,” or something of this sort.

I write to remember, to keep alive what would otherwise be lost.