The rich are different from you and me.
The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.
《在广州石围塘检阅滇均的演说》(1924年4月4日)
最终,生存不在于你拥有多少,而在于你能否很好地利用你所拥有的。