Every age has its pleasures, its style of wit, and its own ways.

我母亲是无神论者。她曾说，地狱是好事也是坏事。好就好在，地狱只是人类病态想象的产物；坏就坏在，人类想象什么，就会创造什么。

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