抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
每一个心理行为都是调整的行为。
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
暂时麻痹痛苦只会让最终感受时更加剧烈。
Small farms aren't relics—they're laboratories for innovation.
我看到了，我忘记了；我听到了，我记住了；我做过了，我理解了。