Nature will not forgive those who fail to fulfill the law of their being. The law of human beings is wisdom and goodness, not unlimited acquisition.

The most distressing aspect of the world into which you are going is its indifference to the basic issues, which now, as always, are moral issues.

We call Japanese soldiers fanatics when they die rather than surrender, whereas American soldiers who do the same thing are called heroes.

Mathematics ... is indispensable as an intellectual technique. In many subjects, to think at all is to think like a mathematician.

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.

This is a do-it-yourself test for paranoia: you know you've got it when you can't think of anything that's your fault.

It sometimes seems as though we were trying to combine the ideal of no schools at all with the democratic ideal of schools for everybody by having schools without education.