解释：顺应时代的潮流就会昌盛，背离时代的方向便会走向灭亡。

战略的本质在于活动——选择以不同的方式执行活动或执行与竞争对手不同的活动。

The best writing leaves room for the reader to find their own meaning.

I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.

For in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children's futures. And we are all mortal.

最好的政策是那些既听取科学又尊重传统的政策。