行为由驱力和习惯强度的相互作用决定。
Behavior is determined by the interaction of drive and habit strength.
"To be a writer, one must have a certain arrogance, a belief that what one has to say is important enough for others to hear."
【释义】：骄傲不应过度，欲望不能放纵，享乐不能极端，志向不宜自满。
The writer must be a perpetual dissident.
The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.