The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
对任何思考者来说,最大的挑战是以一种允许解决的方式表述问题。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'