唯一能阻止你的人是你自己。
The only thing that can stop you is you.
A philosophical problem has the form: "I don't know my way about."
我认为孩子们天生好奇,对新想法持开放态度,这是我在书中试图捕捉的东西。
Sustainability isn't a choice anymore; it's our only path forward.
谷子成熟了才能收获,果子熟了才能剥开皮。比喻凡事不可急于求成。