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

量子力學的發展表明，經典的空間和時間概念不足以描述原子世界。

The key to successful investing is to have a long-term perspective, a disciplined approach, and a clear understanding of the market and the risks involved.

寫作就是抵抗。

音樂是我心在軌道上的跳動。

The task of the modern educator is not to cut down jungles, but to irrigate deserts.

Leadership is about making the tough decisions and standing by them.

I don’t think about being the best, I think about being better than yesterday.