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

Strength doesn't come from what you can do. It comes from overcoming the things you once thought you couldn't.

Sometimes the simplest solutions in chemistry are the most elegant and powerful.

We're not going to run out of ammunition.

"The learn-it-all does better than the know-it-all."

The essence of strategy is choosing what not to do.

學(xué)習(xí)是創(chuàng)造和加強(qiáng)神經(jīng)通路的過(guò)程。

The novel is the only art form capable of fully representing human complexity.