Intelligence is the ability to avoid doing work, yet getting the work done.

The scale, properly speaking, does not permit the measure of the intelligence, because intellectual qualities are not superposable, and therefore cannot be measured as linear surfaces are measured.

Being an intellectual creates a lot of questions and no answers.

What is real and what is imaginary? Is the distinction just in our minds?

By grasping the neck of a huge ox, you can cross the river. By moving along at the side of the mighty men of your city, my son, you will certainly ascend.

An intellectual is someone whose mind watches itself.

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

The exact measure of the progress of civilization is the degree in which the intelligence of the common mind has prevailed over wealth and brute force.

The sign of an intelligent person is their ability to control their emotions by the application of reason.

It is not worth an intelligent man's time to be in the majority. By definition, there are already enough people to do that.

All intelligent thoughts have already been thought; what is necessary is only to try to think them again.

Intelligence is the faculty of making artificial objects, especially to make tools to make tools.

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

I did not deceive you, mon ami. At most, I permitted you to deceive yourself.

The ability to focus attention on important things is a defining characteristic of intelligence.

The educated do not share a common body of information, but a common state of mind.

Intelligence is not to make no mistakes, but quickly to see how to make them good.

Intelligence without ambition is a bird without wings.

Questions are the creative acts of intelligence.

It is wiser to find out than to suppose.

It requires a very unusual mind to undertake the analysis of the obvious.

The intelligent man is one who has successfully fulfilled many accomplishments, and is yet willing to learn more.

Intelligence appears to be the thing that enables a man to get along without education. Education enables a man to get along without the use of his intelligence.

It is not enough to have a good mind; the main thing is to use it well.

Truth knows no color; it appeals to intelligence.

Do not always assume the other fellow has intelligence equal to yours. He may have more.

It is better to have a fair intellect that is well used than a powerful one that is idle.