Simple, sincere people seldom speak much of their piety; it shows itself in acts rather than words, and has more influence than homilies or protestations.
负责任的捕鱼不是一种选择;它是一种义务。
可持续性不是一种趋势,而是一种必需品。
一本好书是最好的朋友,今天如此,永远如此。