If we nourish imagination, we nourish everything else.

I'm convinced that imagination is at the heart of everything we do - in art, science, even astrophysics and higher mathematics. Imagination leads us to ask, "What if?"

We learn more by looking for the answer to a question and not finding it than we do from learning the answer itself.

Keep reading. It's one of the most marvelous adventures that anyone can have.

There's this huge number of desperate people.

Most cats do not approach humans recklessly. The possibility of concealed weapons, clods or sticks, tend to make them reserved. Homeless cats in particular-with some justification, unfortunately-consider humans their natural enemies. Much ceremony must be observed, and a number of diplomatic feelers put out, before establishing a state of truce.

I can't stand people who say 'I told you so.' That's worse than somebody coming up and eating your dinner before you have a chance to sit down.