"The challenge in theoretical computer science is not just to solve problems, but to understand why they are hard to solve."
The best time to plant a tree was 20 years ago. The second best time is now.
每一本书都是一次旅程,每一次旅程都会改变你。
做间谍就是生活在一个充满怀疑和猜疑的世界里。
"写作是一种孤独的职业,但孤独是作家的最好朋友。"