“The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.”
“Reasonable men adapt to the world around them; unreasonable men make the world adapt to them. The world is changed by unreasonable men.”
“If one listens one may be convinced; and a man who allows himself to be convinced by an argument is a thoroughly unreasonable person”
“Man is an animal who more than any other can adapt himself to all climates and circumstances.”
“Your man won't be reasoned with, brother, but he isn't unreasonable.”
“The fatal errors of life are not due to man's being unreasonable: an unreasonable moment may be one's finest moment. They are due to man's being logical.”