Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.

了解这个世界就是爱它，而爱它就是为它哀伤。

Grief is love's shadow.

数学教会我们逻辑思考并系统地处理问题。

素材そのものが持つ声に耳を傾けることが、創作の出発点だ。