想法就像鱼。如果你想抓小鱼,你可以待在浅水区。但如果你想抓大鱼,你必须去更深的地方。
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
The heart is a fragile thing, easily broken but also capable of incredible resilience.
The only way to learn mathematics is to do mathematics.