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

只有在夢想中，人才能真正自由，從來如此也將永遠如此。

Human beings are not born once and for all on the day their mothers give birth to them, but life obliges them over and over again to give birth to themselves.

The process of solving a mathematical problem is often more important than the solution itself.

我不完美，我不聲稱自己是，我也不期望任何人完美。