文之妙者，一言而尽天下之理，片言而该万物之情。
文章的妙处在于，一句话能说尽天下的道理，片言能概括万物的情状。
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding."
When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.
君子重视自身的努力，而不羡慕上天的恩赐；小人放弃自身的努力，而羡慕上天的恩赐。
从理智的异议中寻找乐趣，因为只有尊重理智，才能比消极的服从带来更深刻的一致。