"Language is a tool, and like any tool, it can be used for good or for ill."
质量不是一种技术，而是一种哲学。
"We live in the time we have and we see with the eyes we have."
译文：心头治病必须要用治疗心病的药物，解开铃铛还是需要系铃铛的人。赏析：遇到任何问题，我们要探究根本原因，才能对症下药，收到事半功倍的效果。病急乱投医，只看表面现象，不去深究深层原因，做事只会功亏一篑。
The laws of physics are universal, but our understanding of them is constantly evolving.