如果你真的想成功,就不要害怕失败。
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
"The beauty of literature is that it allows us to live a thousand lives in the span of one."
A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.
理论地理学是科学的女王,因为它独力处理事物在空间中的排列。