In mathematics, the art of proposing a question must be held of higher value than solving it.
译文:善于创始的人不一定完成得很好,有个好开头的人不一定有好结果。
The future belongs to those who plant trees today.
真相很少是纯粹的,也从来不简单。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.