The first step is to establish that something is possible; then probability will occur.
The future of physics lies in the unification of quantum mechanics and general relativity.
那个写了那么多诗却不署名的“佚名”,往往是个女人。
所以,储备是国家最重要的事;粮食是国家的宝物;武器是国家的利爪;城池是守卫国家的屏障。
A man's errors are his portals of discovery.