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 future we want must be invented. Otherwise we will get one which we don't want.
最让我兴奋的是催化以可持续方式解决现实世界问题的潜力。
"The challenge in computer science is not just to solve problems, but to find the right problems to solve."
Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.