有时候问题很复杂，但答案却很简单。

The challenge in cryptography is not just to create unbreakable codes, but to create systems that remain secure even as technology evolves.

目的可以证明手段的正当性，只要存在某种能证明目的正当性的东西。

The only limit to our realization of tomorrow will be our doubts of today.

成功投资的关键是拥有强大的心理承受能力。