Above all, art should be fun.

If you can imagine a thing, conjure it up in space then you can make it... The universe is real but you can't see it. You have to imagine it. Then you can be realistic about reproducing it.

To most people who look at a mobile, it's no more than a series of flat objects that move. To a few, though, it may be poetry.

Just as one can compose colors, or forms, so one can compose motions.

When everything goes right a mobile is a piece of poetry that dances with the joy of life and surprise!

To an engineer, good enough means perfect. With an artist, there's no such thing as perfect.

The universe is real, but you can't see it. You have to imagine it.

My fan mail is enormous. Everyone is under six.

About my method of work: first it’s the state of mind—Elation (joy).

My whole theory about art is the disparity that exists between form, masses and movement.

When an artist explains what he is doing, he usually has to do one of two things: either scrap what he has explained, or make his work fit in with the explanation.

Out of many thousands among men, one may endeavor for perfection, and of those who have achieved perfection, hardly one knows Me in truth.

We are energy, and like all energy, we are in constant change.

A building is a string of events belonging together.

We're eyeball to eyeball and I think the other fellow just blinked.

I think what weakens people most is fear of wasting their strength.

I've seen some great write ups and I emailed her the other night because I saw her on an awards show recently.

My position is that you do not have to practice a religion in order to have a religion.

He looked like someone with a steerage ticket on the titanic. Somebody who'd be standing in line at Ellis Island. Undiluted and old-blooded. Also cute.

I'm looking for Miss Right, or at least Miss Right Now

The best and most innovative products don't always win...(it's an) aesthetic flaw in how the universe worked