世界不是要解决的谜题，而是要经历的神秘。

人生最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

You put together two people who have not been put together before; and sometimes the world is changed, sometimes not. They may crash and burn, or they may set off a spark that will light the world.