君自以为圣智,而不问事,自以为安强,而无守备,四邻谋之不知戒。
国君自以为神圣聪明,而不去咨询官吏,自以为国家安定强大,而不注重防守,周围的邻国图谋侵略他却不知道戒备。 
永远要走“正道”,它并不拥挤。
仅靠技术无法拯救我们;它必须与我们消费和思考能源方式的根本转变相结合。
The end of wisdom is to dream high enough to lose the dream in the seeking of it.
艺术没有国界,但艺术家有祖国。
解释:不注意天时,财富就不能增长;不注意地利,粮食就不会充足。
A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.