合作是关键。没有任何一家公司或国家能够单独解决能源和气候挑战。

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.

译文：金子遇火烧炼才能识别出成色如何，人与钱财打交道就能看出心地如何。赏析：金钱虽非万能，却能看清人心。钱，是感情的试金石，它能探出人性，看透人心。钱能看清一个人的真实面目，也最能看清自己在别人心中的分量。

I've always been a fighter, and I think that's what's gotten me through.