Reasonable people adapt themselves to the world.
Unreasonable people attempt to adapt the world to themselves.
All progress, therefore, depends on unreasonable people. If there is anything more dangerous to the life of the mind than having no independent commitment to ideas, it is having an excess of commitment to some specific and constricted idea. There is nothing either good or bad but thinking makes it so. When he shoots for a brass buckle, he is already nervous. When he shoots for a prize of gold, he goes blind, sees two targets.