The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

In despair, we can find true hope.

People, even more than things, have to be restored, renewed, revived, reclaimed, and redeemed;never throw out anyone.

可持续性不是一种选择，而是农业唯一的出路。