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

沉默可以比言語更有力量。

"We all have our time machines. Some take us back, they're called memories. Some take us forward, they're called dreams."

Sustainability is not an option, it's a responsibility.

Science is a powerful tool for humanity to understand and transform the world.

世界擁有技術 - 無論是現有的還是研究中的 - 可以在可持續的基礎上養活100億人口。

The purpose of psychology is to understand how we cope with the world.

I don’t let setbacks define me.