在科学中最令人兴奋的短语，预示着新发现的，不是“我发现了！”而是“这很有趣……”

I have always been fascinated by the darker side of human nature.

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.

学习是系统中产生的任何变化，这些变化或多或少会永久性地改变其适应环境的能力。