"To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death."
成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜；真正的英雄主义是抵制这种怀疑；最深刻的智慧是知道何时应该抵制它，何时应该服从它。
A ruler who hides behind paid executioners soon forgets what death is.
NP中的每个问题都可以归约为可满足性问题，这是计算复杂性理论的基石。
如果我们能找到答案，那将是人类理性的终极胜利 — 那时我们就能洞悉上帝的思想。
我不是那种会让我的决心动摇的人。
The only limits that exist are the ones you place on yourself.
Everything negative — pressure, challenges — is all an opportunity for me to rise.