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

Success is not just about profit; it's about making a positive impact on society.

Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.

A great business at a fair price is superior to a fair business at a great price.

天才們是流星，燃燒以照亮所在的世紀(jì)。

The beauty of mathematics only shows itself to more patient followers.

詩歌不是奢侈品，而是精神的必需品。