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 universe is not only stranger than we imagine, it is stranger than we can imagine.

在年老之后，你會發(fā)現(xiàn)自己的雙手能解決很多難題。一只手用來幫助自己，另一只用來幫助別人。

Success in grain cultivation isn't measured just in bushels, but in the health of our soil.

The thing that we are trying to do at Facebook, is just help people connect and communicate more efficiently.

你不必成為最好的，你只需要盡力而為。

書籍是代際之間的橋梁。