我一直是这个世界上的陌生人，一个访客，一个游客。

Ask the Possible of the Impossible,“Where is your dwelling-place？”“In the dreams of the impotent.”comes the answer.

The best innovations are often the simplest solutions to the most persistent problems.

I live for the moments when I can do something that nobody else can do.

The essence of cryptography is to allow communication in the presence of adversaries.

唱歌的人不求声音高尖而求合乎节拍，评论者不追求华丽的辞藻而注重所谈论的事情符合实际。