"The past is a foreign country; they do things differently there."
过去是一个异国;他们在那里做事的方式不同。
The essence of science lies in its relentless pursuit of truth through observation, experimentation, and reasoning.
当某件事看起来不美时,我首先问自己的问题是为什么我认为它不美。很快你就会发现没有理由。
我不是梦想家,我是实干家。
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.