书籍就像一面镜子。如果一头驴子往里看，你不能指望一个天使会往外看。
"Books are like a mirror. If an ass looks in, you can't expect an angel to look out."
Every application of technology must be based on sustainability.
The dairy industry must lead in environmental stewardship.
"The past is never dead. It's not even past."
孩子从书中学到的最重要的事情是他们很重要。
你知道的越多，你看到的就越多。