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

When you have a good crop, the farmer is happy, his wife is happy, the children are happy, the animals are happy, and the land is happy.

The most important skill in mathematics is the ability to ask the right questions.

"Experience is simply the name we give our mistakes."

給我貞潔和節(jié)制，但不要立刻。

沒有道德的效率只是短期的成功。

To name something is to bring it into existence, to give it a place in the world.