译文：祸到临头后悔已经来不及了，船驶到江心弥补漏洞已经无济于事。赏析：我们说话做事都要谨慎，凡事都做最坏的打算，要防患于未然才能减少失误和差错。
The elements are the alphabet of nature, and we are learning to read.
读书人如果不树立良好的品德，必定写不出好文章。
我长久地站在那里，凝视着那深邃的黑暗，心中充满了疑惑、恐惧和怀疑，梦想着凡人从未敢梦想的梦。
Every mathematical problem has a solution; sometimes it just takes time to find it.
没有人关心你是否跳得好。只要站起来跳舞。伟大的舞者之所以伟大，是因为他们的激情。
Every failure is a step closer to the answer.
Never underestimate the power of a motivated team to overcome obstacles.