The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

The most important word in science is not 'Eureka!' but 'That's funny...'

Resource development must balance economic benefits and ecological protection to achieve sustainable development.

Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.

依靠聪明、平衡的人类几个世纪以来所依赖的普通美德。常识、节俭、现实的期望、耐心和毅力。

我不是赌徒。我不相信运气。我相信努力和准备。

There ain't no way you can hold onto something that wants to go, you understand? You can only love what you got while you got it.

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."