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 about the amount of money you have, it's about the amount of lives you impact.

當人們做不到一些事情的時候，他們就會對你說你也同樣不能。

欲望是缺乏了解的產物。

法國人終其一生都在抱怨所有的事。

A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.

In every problem, there is a hidden pattern waiting to be discovered, and it is our duty as mathematicians to uncover it.

生存的唯一方法就是要有幽默感。

Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.