The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.
生命太短暂，不要带着遗憾醒来。
否认进化史就是否认我们自己。
我不让任何人夺走我的爱。
Leadership in forestry means having the courage to make decisions that will outlast your tenure.
嫉妒不是爱的标志，而是对失去有价值关系的威胁的防御。