Stray birds of summer come to my window to sing and fly away. And yellow leaves of autumn, which have no songs, flutter and fall there with a sigh.
夏天的飞鸟，飞到我的窗前唱歌，又飞去了。秋天的黄叶，它们没有什么可唱，只叹息一声，飞落在那里。
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.
解释：对社会有用的，创作百篇也没有害处；对社会无用的，写一章也没有好处。
要有勇气追随心声，听从直觉--它们在某种程度上知道你想成为的样子。其他事情都是其次的。
