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

We must listen to what the models are telling us, even when the message is uncomfortable.

永遠面朝陽光，陰影就會落在你身后。

It always seems impossible until it's done.

The only thing we have to fear is fear itself.

數學的本質在于其自由性。

We need to internalize this idea of excellence. Not many folks spend a lot of time trying to be excellent.