We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.
解析:求道需从内心体认。
People who cannot find time for recreation are obliged sooner or later to find time for illness.
科学是试图使我们感觉经验的混沌多样性对应于一个逻辑上统一的思维系统。
I take nothing for granted. I now have only good days or great days.