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

Diversity in science leads to better solutions.

勝利越艱難，贏得的快樂就越大。

宇宙不僅比我們想象的更奇怪，它比我們能夠想象的還要奇怪。

One of my primary objects is to form the tools so the tools themselves shall fashion the work and give to every part its just proportion.

不要為別人而活，為自己而活。