I think most artists find it difficult to part with their work but it's the parting that keeps us alive and keeps us working. In the case of the chariot, although it's been sold I actually still have it, just in another form.

The original item looked like a little hand cart with the figure of a man mounted on a platform between the wheels. The man's outstretched arm always pointed south.

The engine of ancient society was religion but the engine of contemporary society, as I see it, is advertising.

The dog and the rabbit are telling us not to chase unattainable material goals.

Practical! On Wednesday afternoons I could be practically anything. What's up?

I took lots of photographs and had planned to write a treatise on how it worked, but I quickly got bored with that idea and wrote a scientific fairy tale instead.

Having designed and built several clocks during my career it suddenly occurred to me that when you look at the face of a clock both hands have the same center.