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

我不會把所有事情都發出來，但我發的每一條都是我心的一部分。

數學的本質在于它的自由。

The true measure of success is not just profitability, but the positive impact we create in communities.

"To love is to risk being hurt, but not to love is to guarantee a life unlived."

The truth is rarely pure and never simple.

質量從來不是偶然的；它始終是智慧努力的結果。

Never underestimate the importance of "useless" fundamental research.

鋼鐵行業很艱難，但韌性才能區分出最優秀的企業。