"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
Quality is never an accident; it is always the result of intelligent effort.
科学的进步不仅依赖于个人的才华,也依赖于集体的努力。
He who refuses to do arithmetic is doomed to talk nonsense.
我不是没素材了,而是没时间了。