The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.
人类最美丽和最丑陋的倾向都不是固定生物本性的一部分，而是创造人类的社会过程的结果。
A building must be rooted in the ground but open to the sky.
真相往往令人不适，但必不可少。
教育的目标不是增加知识的数量，而是为孩子创造发明和发现的可能性，培养能够创新的人。