决定我们是否富有的，不是我们拥有的东西，而是我们没有也行的东西。

The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.

No one likes being alone. We just don't want to make friends reluctantly. If we did that, we'd probably just be disappointed.

安全不是优先事项，而是一种价值观。你无法优先考虑永远不应妥协的事情。