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 greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

The only thing necessary for the triumph of evil is for good men to do nothing.

Never underestimate the power of collaboration—great things are rarely achieved alone.

"The present is just the past with a different disguise."

預(yù)測未來的最好方式就是創(chuàng)造未來。