The method of psychology must be rigorously empirical.
心理学的方法必须严格经验化。
译文：不管是贫穷还是富有，该欢乐高兴就要尽情欢乐，不懂得尽情欢乐的人是痴人。赏析：人生得意须尽欢，该高兴时要放开玩耍，该行乐时就要尽情享受。我们要做生活的主人，不做生活的奴隶。
The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.
Wisdom lies in understanding the role of Love and Strife in the cosmos.”
The greatest discovery of any generation is that a human being can alter his life by altering his attitude.
Geometry is knowledge of the eternally existent.
我喜欢旅行，但不喜欢到达目的地。