But mathematics is the sister, as well as the servant, of the arts and is touched by the same madness and genius.

But mathematics is the sister, as well as the servant, of the arts and is touched by the same madness and genius.

但数学是艺术的姐妹，也是艺术的仆人，同样被疯狂和天才所感动。

-- Marston Morse 变分学