Saul Steinberg said this quote

The life of the creative man is lead, directed and controlled by boredom. Avoiding boredom is one of our most important purposes.

~ Saul Steinberg

Doodling is the brooding of the hand.

~ Saul Steinberg

The frightening thought that what you draw may become a building makes for reasoned lines.

~ Saul Steinberg

The artist is an educator of artists of the future who are able to understand and in the process of understanding perform unexpected - the best - evolutions.

~ Saul Steinberg