每一本書都是一扇通往未知世界的門，一次探索未知的邀請。
閱讀是不動的旅行，寫作是不旅行的移動。
When power is scarce, a little of it is tempting.
I often take exercise. Why only yesterday I had breakfast in bed.
我相信要想成功，就必須愿意做出犧牲。
The key to artificial intelligence is the representation of knowledge.