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 physics lies not in having all the answers, but in asking better questions.

我想把美國從所有阻礙人們前進的事物中解放出來。

I never make the mistake of arguing with people for whose opinions I have no respect.

真相很少是純粹的，也從不簡單。

Don’t tell me how good you make it; tell me how good it makes me when I use it.

做出偉大工作的唯一方法是熱愛你所做的事情。