人类行为是自然的一部分，可以通过自然科学的方法来研究。

一本书对孩子来说应该像一个朋友——令人安心、兴奋且充满惊喜。

The best technology should be invisible, just like electricity - you don't need to understand how it works to use it.

"Love is not a victory march, it's a cold and it's a broken hallelujah."