自由不是恩赐，而是必须争取的权利。
Freedom is not a gift, but a right that must be fought for.
Art should not be just a luxury object.
他会喃喃自语：“我的花就在星河的某个角落……”可是，这花一旦被羊吃掉了，一瞬间，所有星星都将随之黯淡无光……那你也认为这不重要吗？
教育不仅必须是文化的传播者，而且还必须提供对世界的另类看法，并增强探索的意志。
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.