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

Literature is the memory of humanity.

Collaboration is key to breakthroughs—no one does it alone.

The two greatest enemies of the equity fund investor are expenses and emotions.

我不做容易的事。我讓事情發生。

?一個人生前被所有人熟知，但對自己仍然不了解，這是一個悲哀的命運。

獲得自由的唯一方式是服務。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

決定不做什么和決定做什么同樣重要。