Learning involves the gradual adjustment of connection strengths between units in a network.

蓬草长在麻地里，不用扶它也能挺立；把白沙放在黑土里，白沙也就变成黑的了。这两个例子说明，环境对一个人的影响，是非常大的，所以才有了《孟母三迁》的故事。

Farmers are the original environmentalists; their daily decisions shape our landscapes more than any policy ever could.

作家不过是一个用文字代替摇鼓和鼓声的萨满。