The search for reciprocity laws is a fundamental theme in the history of mathematics.

艺术家必须是无限的影子。

创新的关键在于思想的多样性。

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

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。”

享受当下的宁静与美好。

成功是最好的报复。