有些无限比其他无限更大。
"Some infinities are bigger than other infinities."
学者必须自信，既然自信，无论如何也无法被剥夺。
密码学中的挑战不仅仅是创建不可破解的代码，还包括创建即使技术发展也能保持安全的系统。
邪恶获胜的唯一必要条件是好人袖手旁观。
I prefer to supervise the whole operations of the government myself rather than entrust the public business to subordinates, and this makes my duties very great.
The only thing I can do is write. Everything else bores me.