一本好书是一扇通往更广阔世界的魔法之门，那里充满奇迹、美丽和真理。
The stage is a magical place where anything can happen.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful. But most people will die tomorrow night, so don't give up today.
The only way to change behavior is through manipulation of reinforcement contingencies.
Emotions can capture attention automatically, demonstrating the close link between affective and cognitive systems.