Duchamp is known for calling a thing art, rather than making it. A lot of that is picked up in pop art, too.

The right angle is one of the world's basic shapes.

If I didn't think what I was doing had something to do with enlarging the boundaries of art, I wouldn't go on doing it.

All the fun is locking horns with impossibilities.

It was easy to get a job at the Cedar Bar because people came and went, but I didn't like the atmosphere. Instead, I got a job at Cooper Union Library. I stayed at Cooper Union for seven years; it was my salvation. While I worked there, I also read books of every kind.

The main reason for the colossal objects is the obvious one, to expand and intensify the presence of the vessel - the object.

Chicago has a strange metaphysical elegance of death about it.