The real reward in science is contributing to something greater than yourself.

Among thousands of people, you meet those you've met. Through thousands of years, across the boundless wilderness of time, you happen to meet them, neither earlier nor a bit too late. There is nothing to be said except to ask lightly, "Oh, you're here too?"

我们每天所做的选择——我们买什么、吃什么、如何生活——都会产生影响。