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

大海不會獎賞那些過于焦慮、貪婪或急躁的人。

We don't stop playing because we grow old; we grow old because we stop playing.

The key to success in research is to focus on fundamental problems that have long-term impact.

"A literatura é a arte de expressar a alma através das palavras."

不存在能力、天賦、氣質、心理素質和特征的遺傳。