The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.
The poor don’t need handouts; they need ladders.
我们这个时代的巨大挑战是建立能够管理现代社会复杂性的机构。
你能创造的最有价值的东西就是错误——你无法从完美中学到任何东西。