It must be remembered that the purpose of education is not to fill the minds of students with facts... it is to teach them to think.

It has been said that we have not had the three R's in America, we had the six R's; remedial readin', remedial 'ritin' and remedial 'rithmetic.

To solve a problem it is necessary to think. It is necessary to think even to decide what facts to collect.

Whenever the urge to exercise comes upon me, I lie down for a while and it passes.

The policy of the repression of ideas cannot work and never has worked. The alternative to it is the long difficult road of education. To this the American people have committed.

The college graduate is presented with a sheepskin to cover his intellectual nakedness.

A civilization in which there is not a continuous controversy about important issues is on the way to totalitarianism and death