每一次收获都教会我们新的东西;土地是最好的教授,只要我们愿意倾听。
学习的意愿是一种内在动机,其来源和奖励都在于其自身的实践。
The old-fashioned dictator does not exist under scientific management. The man at the head of the business under scientific management is governed by rules and laws which have been developed through hundreds of experiments just as much as the workman is.