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

Mathematics is the language in which the universe writes its deepest secrets.

Taught from infancy that beauty is woman's sceptre, the mind shapes itself to the body, and roaming round its gilt cage, only seeks to adorn its prison.

People work better when they know what the goal is and why.It is important that people look forward to coming to work in the morning and enjoy working.

美洲的歷史是如此超乎尋常的現實，以至于看起來像是虛構的。

人生最大的甜蜜是友誼。將其提升到最高享受的秘訣，只有少數人發現。