Physicist Isador Isaac Rabi, who won a Nobel Prize for inventing a technique that permitted scientists to probe the structure of atoms and molecules in the 1930s, attributed his success to the way his mother used to greet him when he came home from school each day. "Did you ask any good questions today, Isaac?" she would say.

The key to making things understandable is to understand what it's like NOT to understand.

A weekday edition of The New York Times contains more information than the average person was likely to come across in a lifetime in seventeenth-century England

Everyone spoke of an information overload, but what there was in fact was a non-information overload.

Education is to learning as tour groups are to adventure.

In school, we're rewarded for having the answer, not for asking a good question.

My definition of learning is to remember what you are interested in. If you don't remember something, you haven't learned it, and you are never going to remember something unless you are interested in it. These words dance together. 'Interest' is another holy word and drives 'memory'. Combine them and you have learning.