定理不是偶然发现的。
〈党员须宣传革命主义〉,在梧州对国民党员的演说,1921年10月29日至11月15日间
"The world begins at a kitchen table. No matter what, we must eat to live."
The world is dark, and light is precious.
最好的艺术作品是提出问题而不是提供答案。
Think big.
The true test of civilization is not the census, nor the size of cities, nor the crops, but the kind of man that the country turns out.