色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

The most successful teams are those where everyone feels valued and empowered to contribute.

Success is a journey, not a destination.

我們必須傾聽場地；它會告訴我們該做什么。

The heart remembers what the mind tries to forget.

The art of doing mathematics consists in finding that special case which contains all the germs of generality.

傳記作者的任務是闡明，而不是評判。