Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
Poetry is perhaps what teaches us to nurture the charming illusion: how to be reborn out of ourselves over and over again, and use words to construct a better world, a fictitious world that enables us to sign a pact for a permanent and comprehensive peace ... with life.
A business has to be involving, it has to be fun, and it has to exercise your creative instincts.