Often people do not properly value things that they are good at naturally because they find them too easy. That is very problematic.

I do think I paid a price as an artist, and I am trying to make up for it now - I work six days a week in the studio, and I've never been happier.

When I started teaching in the late 60s, in a time of student revolutions and changes, they changed in question of society and authority.

The internet has extended the possibility of making art to more people, and particularly of enabling it to be seen by others. I am sure the internet is having a profound impact on art, particularly those who have grown up with it, but making good art will remain as difficult (and as easy) as it ever was. Having a lasting impact may become more not less difficult.

The first exhibition that I used bright colours in painting the room was at a gallery in Paris, and there were seven rooms in the gallery. It was very nice gallery, not very big rooms, around the courtyard, it was a very French space. So I painted each room in different colour. When people came to the exhibition, I saw they came with a smile. Everybody smiles - this is something I never saw in my work before.

The viewer brings all additional information to the image.

All the basic information should be in the object itself.