我不害怕说出自己的想法，并为我所信仰的东西站出来。

The best time to plant a tree was 20 years ago; the second best time is now.

I think it's rarely about what you actually learn in class. It's mostly about the way that you look at things.

这个世界充满了渴望被爱的人。

The more we learn, the more we realize how little we know.

The future of drones is not to replace humans, but to help them do their jobs better.

我们是没说出的话的主人。我们是说出的话的努力。

Leadership isn't about giving orders; it's about inspiring people to see the bigger picture.

这是友谊的特权，可以胡说八道，也可以尊重她的胡说八道。

解释：手指粗于胳膊， 胳膊粗于大腿， 病情必然很重。