"The best stories are those that make you feel something deep inside."
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
孔子说:“君子有三件事要警戒:年轻时,血气还不成熟,要戒女色;年壮时,血气正旺盛,要戒争斗;年老时,血气已衰落,要戒贪婪。”