Every observation brings us closer to answering fundamental questions about the cosmos.
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
艺术必须要有冲击力。
The molecules that mediate pain are ancient, revealing how deeply rooted this sensation is in evolution.
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.