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"No man really knows about other human beings. The best he can do is to suppose that they are like himself."

The balance between energy needs and environmental protection is the challenge of our time.

忠于自己，那才是真正的炫耀。

成功的關鍵在于持續學習和改進。

一個人做了好事應當忘記，不要念念不忘，更不要希冀別人回報。

Psychology must be a science of facts, not theories.

做你自己，你就能成為任何你想成為的人。

Philosophy is a battle against the bewitchment of our intelligence by means of language.