可持续性不是一种选择;它是水产养殖唯一的前进道路。
【大意】只有不求利益之人才能不导致害处,只有不求福分之人才能没有祸患。
The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.