Onecomes to believe whatever one repeats to oneself sufficiently often, whetherthe statement be true or false. It comes to be dominating thought in one'smind.
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends upon the unreasonable man.
A cup is useful only when it is empty; and a mind that is filled with beliefs, with dogmas, with assertions, with quotations, is really an uncreative mind.
I'vealways felt that a person's intelligence is directly reflected by the numberof conflicting points of view he can entertain simultaneously on the sametopic.