Your time is limited, so don't waste it living someone else's life.

缄默：只说对人对己有益的话，避免闲聊。

我不把任何事视为理所当然，我通过努力获得一切成就。

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.

过去总是与我们同在，它塑造了我们是谁以及我们如何看待这个世界。

The magic number 150 suggests that the size of our social networks is limited by the size of our brains.