In studying the history of the human mind one is impressed again and again by the fact that the growth of the mind is the widening of the range of consciousness, and that each step forward has been a most painful and laborious achievement. One could almost say that nothing is more hateful to man than to give up even a particle of his unconsciousness. Ask those who have tried to introduce a new idea!
在对人类心理史的研究中，这一事实给人以深刻印象：心智的成长就是意识范围的扩展，前进的每一步都是伴随着极度痛苦和艰难的成就。几乎可以说，人们最最痛恨的就是放弃潜意识，即使所放弃的仅是极微小的一点潜意识。试图引入新观念的人对此深有体会。
实现可持续发展的唯一途径是通过持续的技术进步和环境责任。
如果你不能保持灵活的思路，就会抓狂，忽视解决问题的其他可能性。