粗鲁是弱者对强者的模仿。

Symbols are the medium of thought.

Chance is a word void of sense; nothing can exist without a cause.

The presence of those seeking the truth is infinitely to be preferred to the presence of those who think they've found it.

动口不如动手去干，求人不如自己亲自去办。

"Drawing is thinking on paper."

由于我们对专业知识的盲目信任，可能反而让人更容易忽视领域之外的重要因素。

缄默：只说对人对己有益的话，避免闲聊。

数学研究是具体与抽象之间不断的对话。