Our most important thoughts are those that contradict our emotions.
What is simple is false and what is not is useless.
Every man expects some miracle — either from his mind or from his body or from someone else or from events.
We must always apologize for talking painting.
Science is feasible when the variables are few and can be enumerated; when their combinations are distinct and clear. We are tending toward the condition of science and aspiring to do it. The artist works out his own formulas; the interest of science lies in the art of making science.
Cognition reigns but does not rule.