Thought is the servant of action, and action is the servant of survival.
生命太短暂,不能浪费在消极上。
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
生命中最美好的事物不是物品,而是人、地方、回忆和画面,是情感、瞬间、微笑和笑声。
心理学家必须避免一切形式的心理物理学。