"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."

生活只能向后理解；但它必须向前生活。

每个故事都有开始、中间和结尾，但不一定是这个顺序。

每个生命都会留下证据的痕迹；传记作者就是追踪这些痕迹的侦探。

科学与社会的对话必须持续进行。