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

let everyone else call your idea crazy, just keep going, don't stop, don't even think about stopping until you get there, and don't give much think of where "there" is.

世界是一個陰謀，一個陰謀集團。

The distance between two cultures is where the most interesting things happen.

I think that the most important thing is to be honest with yourself and with your audience.

P與NP問題是計算機科學中最重要的一個問題之一。