数学中最深刻的发现往往来自最简单的观察。
The most profound discoveries in mathematics often come from the simplest observations.
译文:如果眼中没有离别的怨恨,就不会相信人间会有因相思而愁白了头的事。
The books we read are as important as the friends we keep.
板块构造理论是地质学的统一理论。