人們在做事時絕不能夠拖拉，不能夠反復(fù)多變，不能夠斤斤計較；可是替別人做事時，卻特別需要耐得住拖延耽擱，耐得住反復(fù)多變，耐得住瑣碎煩亂。
The best way to learn mathematics is to do mathematics.
A great novel is one that changes the way we see the world.
創(chuàng)造力需要放下確定性的勇氣。