Customer satisfaction should always be at the heart of every decision.

The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.

确实，天才的天赋和他的人类品质有时会差异如此巨大，人们不得不怀疑天赋平庸点也许是件好事。

过去总是紧张的，未来是完美的。

数学家是模式的创造者，就像画家或诗人一样。