正是通过观察和反思的力量，人们才能找到方法。所以我们必须不断挖掘和钻研。
It’s on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.
If you're not prepared to be wrong, you'll never come up with anything original.
生活中唯一真正的失败是不忠于自己所知道的最好的东西。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
Change starts with a single step, but it takes a collective effort to make it lasting.
可持续发展的关键是平衡经济增长和环境保护。
释义：谦虚的人处在尊高之位，道德会更加光明，处在卑下之位，其德行人们也难以超越。只有君子才能够保持谦德至终。