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 less secure a man is, the more likely he is to have extreme prejudice.

創新不僅僅是技術問題；它關乎心態和挑戰現狀的意愿。

兒童有著他自己的人格，他自身具有創造精神的美和尊嚴。這種美和尊嚴是永遠不能磨滅的，所以他的純潔而非常敏感的心靈需要我們最審慎的愛護。

The best managers acknowledge and make room for what they do not know—not just because humility is a virtue but because until one adopts that mindset, the most striking breakthroughs cannot occur.

We are going to die, and that makes us the lucky ones.

"Science fiction is the literature of change."