The footsteps of Nature are to be traced, not only in her ordinary course, but when she deviates from it in her most extravagant excursions.

过去是一个异国他乡；他们在那里做不同的事情。

Success is walking from failure to failure with no loss of enthusiasm.

可持续性不是成本，而是对我们共同未来的投资。

做你自己，别人都已经有人做了。