心理学家必须研究心灵的实际状态,而非理想状态。
The psychologist must study the mind as it is, not as it ought to be.
概率论作为一门数学学科,可以而且应该像几何和代数一样从公理出发进行发展。
The only thing necessary for the triumph of evil is for good men to do nothing.
Great leaders don’t create followers—they create more leaders.
The secret of getting ahead is getting started.