陈述是传达信息的手段，承诺是作出承诺的手段。
A statement is a means to convey information， a promise is a means to make a commitment.
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。
The world is so beautiful and regretful, you and I are all lone travelers from afar, constantly walking, regardless of everything, crying, laughing, lingering in the world, just to make this trip worthwhile.
对我来说，编程不仅仅是一门重要的实用艺术。它也是知识基础中的一项巨大事业。