People are smarter than you might think.
John Astin
God has placed no limits to the exercise of the intellect he has given us, on this side of the grave.
Francis Bacon
Mad, adj. Affected with a high degree of intellectual independence.
Ambrose Bierce
Genius ain't anything more than elegant common sense.
Josh Billings
There is no greater evidence of superior intelligence than to be surprised at nothing.
An intellectual is someone whose mind watches itself.
Albert Camus
Intelligence is not a science.
Frank Carlucci
It's a poor sort of memory that only works backwards.
Lewis Carroll
Genius is the ability to renew one's emotions in daily experience.
Paul Cezanne
The greatest scholars are not usually the wisest people.
Geoffrey Chaucer