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。

The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.

The history of the world is the history of the few.

Life is too short to not follow your dreams.

不要放弃你的幻想。当幻想没有了以后，你还可以生存，但是你虽生犹死。