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。

我不相信上帝，但我相信音乐。

The artist is the confidant of nature, flowers carry on dialogues with him through the graceful bending of their stems and the harmoniously tinted nuances of their blossoms.

There can be no permanent progress in the battle against hunger until the agencies that fight for increased food production and those that fight for population control unite in a common effort.

Friends are better than money. Almost anything money can do， friends can do better. In so many ways a friend with a boat is better than owning a boat.

数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。