别自寻烦恼的只想比你同时代的人或是先辈们出色，试着比你自己更出色吧。

恐惧是一种习惯。我不害怕。

The motion of the universe is eternal.

Writing is a way of life, a way of understanding the world and of understanding ourselves.

Climate change isn't a future threat to forests—it's the chainsaw at work right now.

The circular economy isn't just an ideal—it's a practical business model waiting to be scaled.

人生的课程将以它们需要的顺序出现在你面前。任何你需要掌握的课程其实都在你身上。当你真正掌握了一节课之后，下一节课就会出现。如果你还活着，这就意味着你还有课程需要学习。