The mind is not a static entity, but a dynamic process of continual adjustment.

All interest in disease and death is only another expression of interest in life.

Every mathematical problem has a solution; you just need to find the right perspective.

数学的研究是所有智力和精神发展的不可或缺的基础。

The dead are the most persistent historians.

没有真理，只有感知。

爱是一个用鲜血书写的词。