"So-called art restoration is at least as tricky as brain surgery. Most pictures expire under scalpel and sponge."

"When one buys some of my artwork I hope it is because they will wish to learn from it and not because they think it will match their drapes!"

"There are some days when I think I'm going to die from an overdose of satisfaction."

"Progressive art can assist people to learn not only about the objective forces at work in the society in which they live, but also about the intensely social character of their interior lives. Ultimately, it can propel people toward social emancipation."

"Painting is easy when you don't know how, but very difficult when you do."

"The artist who aims at perfection in everything achieves it in nothing."

"Art is the stored honey of the human soul, gathered on wings of misery and travail."

"Writing is manual labor of the mind: a job, like laying pipe."

"The defining function of the artist is to cherish consciousness."

"True art is characterized by an irresistible urge in the creative artist."