穷人并非不理性；他们和任何人一样理性，但他们在非常不同的约束下行动。
The poor are not irrational; they are just as rational as anyone else, but they operate under very different constraints.
The hard problem of consciousness is the problem of explaining how and why physical processes in the brain give rise to subjective experience.
The best way to predict the future is to create it.
The customer may not always be right, but they always come first.
所有人类行为都有以下七个原因中的一个或多个：机会、自然、强迫、习惯、理性、激情和欲望。