有人尋求牧師，有人尋求詩歌，而我尋求朋友。
Some people go to priests; others to poetry; I to my friends.
凡是能夠說的，都能夠說清楚；對(duì)于不可說的東西我們必須保持沉默。
The challenge of modern cryptography is not just to secure communication, but to do so in a way that is both efficient and scalable.
Justice is the foundation of governance.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.