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 pursuit of knowledge is a never-ending journey.

礦工最偉大的工具不是他們的設備，而是他們的判斷力。

War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.

如果你不能飛，那就跑；如果你不能跑，那就走；如果你不能走，那就爬。但無論怎樣，你必須繼續前進。