We must consider the environmental impact of every technological advancement.
宇宙充满了惊喜,而我们的工作就是揭开它们。
No matter how good you get, you can always get better, and that's the exciting part.
When I got to 40 or so... I had the sense when I looked back over my life I would actually see a mess of decisions, a few of which I had thought about, some of which I had sort of stumbled on, and many that I had no control over whatsoever.