"Rules are prisons."
 - William Bernbach

"I don't go by the rule book.  I lead from the heart, not the head."
 - Princess Diana

"Rules are not necessarily sacred.  Principles are."
 - Franklin D. Roosevelt

"There are no rules here, we are trying to accomplish something."
 - Thomas Edison

"The young man knows the rules, but the old man knows the exceptions."
 - Oliver Wendell Holmes