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

真正的樂趣在于發現，而不是知道。

Just because you like it does not mean that the world will necessarily give it to you.

"I believe that as much as you take, you have to give back."

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

你無法管理你無法衡量的東西。

The most successful people are those who are good at plan B.