John Cage to Philip Guston

When you start working, everybody is in your studio—the past, your friends, enemies, the art world, and above all, your own ideas—all are there. But as you continue painting, they start leaving, one by one, and you are left completely alone. Then, if you're lucky, even you leave.

pp 171-172 Night Studio, A Memoir of Philip Guston, by Musa Mayer, Da Capo Press 1997