"The best literature challenges us to see the world differently."

The measure of a good book is determined by how much it disturbs the reader.

In physics, the simplest explanation is often the correct one.

关键是在事情顺利时不要太高调，在事情不顺时不要太低落。

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

Illustrations should not just decorate the text; they should expand it.