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

To be a good writer, you have to be a good reader first.

Collaboration in mathematics is essential; the exchange of ideas leads to breakthroughs that no single mind could achieve alone.

1997年：貝索斯致股東信《吸引符合你價(jià)值觀的股東》

"In literature, there are no borders, no limits."

I love what I do, and I do it with passion.

物理學(xué)是簡(jiǎn)化的科學(xué)。

You don't have to be ruthless to be successful. Kindness and integrity will take you much further.