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

Dictatorship and authentic literature are incompatible. The writer is the natural enemy of dictatorship.

Every experiment, whether successful or not, is a step toward understanding.

我們從海洋中收獲的最寶貴資源是知識。

如果允許我們在這個世界上長生不老，試問誰愿意接受這件不吉祥的禮物？

對現實的探求始于我們承認自己的無知。