玉屑满箧，不为有宝；诗书负笈，不为有道。
出自汉·桓宽《盐铁论·相刺》。释义：碎玉满箱，算不得拥有财宝；读了几箱子的书，也不等于就掌握了其中的道理。
Art should be a virus that infects the way people think.
If it were not for art, I would have killed myself a long time ago.
The history of mathematics is a history of human curiosity and ingenuity.
天空才是极限。