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

Sustainability isn't just a buzzword—it's our responsibility to future generations.

應對不自由世界的唯一方式，就是讓自己徹底自由，以至于你的存在本身就是一種反抗。

"We don't see things as they are, we see them as we are."

The more you know, the more you realize you don't know.

解決數學問題的旅程和解決方案本身一樣重要，因為它教會我們耐心、堅持和發現的快樂。

"A personality is a full Congress of orators and pressure-groups, of children, demagogues, communists, isolationists, war-mongers, mugwumps, grafters, prayer-meetings, spiritualists, and astrologers."

世界上最可靠的就是你自己。