Scientific rigor is the foundation of everything we do; without it, trust is impossible.
The difference between an adventure and an ordeal is attitude.
密码学是关于在存在对手的情况下进行通信的。
I was told I had the voice of a choirboy but the look of a headmistress.
I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.