物资用完了才知道不足，是因为不懂得计量；事情做完了才知道有余，是因为不懂得调节。

住宅是居住的机器。

The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.

The only person you should try to be better than is the person you were yesterday.

创新不仅仅是技术的问题；它关乎改变人们的思维和生活方式。