" He thought of Dr. Stein again. What was Stein’s favorite line? “Understanding is a delaying tactic.” Stein used to get angry about that. When the graduate students would intellectualize, going on and on about patients and their problems, he would interrupt in annoyance, “Who cares? Who cares whether we understand the psychodynamics in this case? Do you want to understand how to swim, or do you want to jump in and start swimming? Only people who are afraid of the water want to understand it. Other people jump in and get wet. "

― Michael Crichton , Sphere