為你所信仰的東西站出來,即使這意味著你要獨(dú)自一人。
The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.
在數(shù)學(xué)中,提出問題的藝術(shù)必須比解決問題更有價(jià)值。