In computing, invariants are ephemeral.
所谓经验,乃是人们为其错误贴上的标签。
But all these stars are silent. You-you alone-will have the stars as no one else has them…
不要因为它结束了而哭泣,要因为它发生过而微笑。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.