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

Too few have the courage of my convictions.

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.

America's experiment with government of the people, by the people, and for the people depends not only on constitutional structure and organization but also on the commitment, person to person, that we make to each other.

On the principle laid down by Gilbert and Sullivan that when everybody is somebody, nobody is anybody; if everybody is abnormal, we don't need to worry about anybody.

The object of education is to prepare the young to educate themselves throughout their lives.

...The task is overwhelming, and the chance is slight. We must take the chance or die.