Protecting endangered species helps protect a healthy environment. Endangered species are nature’s early warning system for pollution and environmental degradation that may someday affect human health. (濒危物种是大自然的关于污染和环境恶化的早期警戒系统,污染和环境恶化有朝一日会影响人类的健康。)
Ideas are like the stars --- we never reach them, but like mariners, we chart our course by them. ( C. Schurz ) 理想就象是星星——我们永远无法到达,但是我们象水手一样,用它们指引航程。(舒尔茨)
If a jewel falls into the mire, it remains as precious as before; and though dust should ascend to heaven, its former worthlessness will not be altered. 宝石即使落在泥潭里,仍是一样可贵;尘土纵然扬到天上,还是没有价值。