精品无码久久久久久国产_成人午夜在线视频一区_亚洲最大的av网站_亚洲欧美综合区自拍另类_91精品国产一区_日韩精品中文在线观看_一道本无吗dⅴd在线播放一区_国产精品旅馆在线_欧美午夜久久久_亚洲自拍在线观看_黑人精品xxx一区一二区_亚洲精品日韩久久久_在线视频一区二区_国产欧美久久一区二区_中文字幕精品在线视频_成人欧美在线观看

The beauty of mathematics is that it is a language that can describe the universe in a way that nothing else can.

The best way to predict the future is to create it.

詩歌是人類存在的唯一具體證明。

"A story has no beginning or end: arbitrarily one chooses that moment of experience from which to look back or from which to look ahead."

偉大的詩人是最不快樂的存在。