应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。

Understanding how our bodies perceive pain can lead to better treatments and improved quality of life for millions.

"Life is too important to be taken seriously."

Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are part of nature and therefore part of the mystery that we are trying to solve.

You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement and, at the same time, share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.