At moments of great enthusiasm it seems to me that no one in the world has ever made something this beautiful and important..

In mathematical quarters, the regular division of the plane has been considered theoretically. ... [Mathematicians] have opened the gate leading to a….

To tell you the truth, I am rather perplexed by the concept of 'art'. What one person considers to be 'art' is often not 'art' to another. 'Beautiful….

I try in my prints to testify that we live in a beautiful and orderly world, not in a chaos without norms, even though that is how it sometimes appea….

I believe that producing pictures, as I do, is almost solely a question of wanting so very much to do it well..