If you lose or forget to bring a cable，adapter or charger，check with your hotel. Most hotels now have a drawer full of cables，adapters and chargers others have left behind，and probably have the one you are missing. You can often claim it after borrowing it.

Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.

过去是一个异国，那里的人们做事方式不同。

We are all afraid—for our confidence, for the future, for the world.

The heart of the educator must be a living flame, a fire that can ignite the souls of the young.

如果你不努力去发现看不见的东西并理解其本质，你将无法做好领导的准备。

人是万物的尺度：对于存在的事物，它们存在；对于不存在的事物，它们不存在。

Don’t fear failure—fear being in the same place next year as you are today.