"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors."
书籍是最安静、最恒久的朋友;它们是最易接近、最睿智的顾问。
Sometimes the simplest ideas are the strongest.
农业成功的真正标准不仅是产量,还有生产它的生态系统的健康。
要了解森林,你必须倾听它——不仅用你的耳朵,还要用你的尊重。
The course of development consists simply in this; that in each generation the two parental traits appear, separated and unchanged.