The study of cognition requires both empirical and theoretical approaches.

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.

I'm not afraid to take a stand. Everybody, come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm.

我不害怕死亡，我害怕不去尝试。