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

數學是理性的音樂。

The essential thing in life is not so much conquering as fighting well.

享受生活，但不宜過度。

世界不是一個愿望工廠。

"In the depth of winter, I finally learned that within me there lay an invincible summer."