Freedom of inquiry, freedom of discussion, and freedom of teaching - without these a university cannot exist.

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.

My idea of education is to unsettle the minds of the young and inflame their intellects.

There is only one justification for universities, as distinguished from trade schools. They must be centers of criticism.

Equality and justice, the two great distinguishing characteristics of democracy, follow inevitably from the conception of men, all men, as rational and spiritual beings.

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

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.