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 only thing that is truly valuable is time."

When you change the way you look at things, the things you look at change.

一個(gè)人不能欺騙任何人，甚至不能欺騙世界的勝利。

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.

煤炭的未來(lái)在于清潔高效利用。

最好的科學(xué)是雙手弄臟而頭腦清醒時(shí)完成的。

You can be the ripest, juiciest peach in the world, and there's still going to be somebody who hates peaches.

Be yourself; everyone else is already taken.