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

Quality is never an accident; it is always the result of intelligent effort.

The more we understand our biases, the more we can use them to our advantage.

我不是心，我是大腦。

真正改變的唯一方法是改變你的環(huán)境。

Get busy living, or get busy dying.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.