释义：福可能变成祸，祸也可能转为福，变化没有尽头。

The circular economy is an opportunity to create value, not just reduce waste.

We are all in the gutter, but some of us are looking at the stars.

Sometimes, the most heroic act is to continue living.

我不追随潮流。我宁愿做自己觉得对的事情。

创业是一条充满挑战的道路，但只要有梦想，就有希望。

The only meaningful way to study learning is through objective measurement.