耐心和毅力是科学发现的关键。

数学的研究是所有智力和精神进步不可或缺的基础。

诚信是企业立足的根本，没有诚信就没有市场。

最美丽的艺术作品是必要性和自由完美平衡的作品。

“唯一真正普遍的是人类的经验。”

The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.

The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.