语言是一种工具，就像任何工具一样，它可以用于善或恶。
"Language is a tool, and like any tool, it can be used for good or for ill."
Circular economy principles aren't optional—they're essential for survival.
种一棵树最好的时间是20年前，其次是现在。
It always seems impossible until it's done.
最可持续的产品是使用寿命最长的产品。
译文：该罢休的时候就赶紧罢休，这样才能赢得逍遥自在，避免让身心过度操劳。看看多少聪明杰出的人，整日忙碌奔波，最终却白白辜负了一生的志向。
The key is to keep improving, to keep working hard.