衡量森林价值的真正标准不是木材的板英尺数,而是几个世纪的生态平衡。
安全不是产品,而是一种能力。
The greatest happiness for the laborer consists in having an abundant supply of the necessaries of life.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.