心理学必须基于直接经验，而非推论。
The best way to be successful is to believe in yourself.
The great thing is to be in love with life.
世界是一个非常复杂的地方，而且它并没有变得简单。
He who refuses to do arithmetic is doomed to talk nonsense.
记忆不是录音设备，而是一个积极组织和重建信息的系统。