一本好书是我生命中的一个事件。
位卑者不怕攀登高山,贫困者勿需点缀虚幻的光环,朝圣者心中自有上帝,引导一路向前。
没有行动的数据只是噪音;农民需要的是工具,而不仅仅是信息。
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.