A picture is worth a thousand words...and uses up a thousand times the memory.

A model is a good model if first it interprets a wide range of observations in terms of a simple and elegant model, and second if the model makes definite predictions that can be tested, and possibly falsified, by observation.

Computers double their performance every month.

One of the basic rules of the universe is that nothing is perfect. Perfection simply doesn't exist.....Without imperfection, neither you nor I would exist

Simplicity is a matter of taste

There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature.

We see the universe the way it is because we exist.