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

數學證明是用邏輯語言寫成的詩。

如果你不去追求你想要的，你將永遠得不到它。

The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly.

My mother always said...If you don't like where you are…just picture where you wanna be.

最好的領導者是那些能賦能他人去領導的人。