理解计算的限制与理解计算的能力同样重要。

记忆是个棘手的东西，它既可以是祝福也可以是诅咒。

The deterioration of every government begins with the decay of the principles on which it was founded.

The discipline of the written word punishes both stupidity and dishonesty.

唯一的限制是你自己设定的。