Patriotism is your conviction that this country is superior to all other countries because you were born in it.
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
最痛苦的事情是在太爱一个人的过程中失去自己,忘记了你也很特别。
History is not just about the past; it’s about how we remember it.
Love is the only sane and satisfactory answer to the problem of human existence.