A tannery's waste stream tells the story of its ethics more clearly than any mission statement.

基因编辑的伦理影响必须与科学突破一同考虑。

我们智慧的最大证明是我们能够察觉自己的局限。

If you go back a few hundred years, what we take for granted today would seem like magic—being able to talk to people over long distances, to transmit images, flying, accessing vast amounts of data like an oracle. These are all things that would have been considered magic a few hundred years ago.

阅读之于心灵，犹如运动之于身体。