Action is the real measure of intelligence.
Napoleon Hill

Be as smart as you can, but remember that it is always better to be wise than to be smart.
Alan Alda

Belief is the death of intelligence.
Robert Anton Wilson

Character is higher than intellect. A great soul will be strong to live as well as think.
Ralph Waldo Emerson

Common sense is not so common.
Voltaire

Every true genius is bound to be naive.
Friedrich Schiller

Everyone is a genius at least once a year. The real geniuses simply have their bright ideas closer together.
Georg C. Lichtenberg

Genius ain't anything more than elegant common sense.
Josh Billings

Genius always finds itself a century too early.
Ralph Waldo Emerson

Genius is more often found in a cracked pot than in a whole one.
E. B. White

I can't tell you if genius is hereditary, because heaven has granted me no offspring.
James Whistler

I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.
Mark Twain

I not only use all the brains that I have, but all that I can borrow.
Woodrow Wilson

I'm not offended by all the dumb blonde jokes because I know I'm not dumb... and I also know that I'm not blonde.
Dolly Parton

If there are no stupid questions, then what kind of questions do stupid people ask? Do they get smart just in time to ask questions?
Scott Adams

Intelligence is not a science.
Frank Carlucci

Intelligence is really a kind of taste: taste in ideas.
Susan Sontag

Intelligence is the wife, imagination is the mistress, memory is the servant.
Victor Hugo

Intelligence without ambition is a bird without wings.
Salvador Dali

Mad, adj. Affected with a high degree of intellectual independence.
Ambrose Bierce

Man becomes man only by his intelligence, but he is man only by his heart.
Henri Frederic Amiel

Smartness runs in my family. When I went to school I was so smart my teacher was in my class for five years.
Gracie Allen

The bookful blockhead, ignorantly read With loads of learned lumber in his head.
Alexander Pope

The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.
F. Scott Fitzgerald

The true sign of intelligence is not knowledge but imagination.
Albert Einstein

There are no great limits to growth because there are no limits of human intelligence, imagination, and wonder.
Ronald Reagan

There is no greater evidence of superior intelligence than to be surprised at nothing.
Josh Billings

There is nobody so irritating as somebody with less intelligence and more sense than we have.
Don Herold

We should take care not to make the intellect our god; it has, of course, powerful muscles, but no personality.
Albert Einstein

What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
Sigmund Freud

Wit is educated insolence.
Aristotle