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

Twenty years of romance make a woman look like a ruin; but twenty years of marriage make her look like a public building.

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.

Great things in business are never done by one person. They're done by a team of people.

朗蘭茲綱領證明了數學所有領域的相互關聯性。

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

企業的成功不是靠運氣，而是靠努力。