数学中最重要的是理解概念,而不仅仅是记忆公式。
真理并不总是美丽的,美丽的话语也不总是真理。
Art is a way to give form to the invisible.
It may be the cock that crows, but it is the hen that lays the eggs.
乌尔姆的城市格言,爱因斯坦出生于此地