The role of the intelligence - that part of us which affirms and denies and formulates opinions is merely to submit.

The intelligent man who is proud of his intelligence is like the condemned man who is proud of his large cell

The intelligent man who is proud of his intelligence is like the condemned man who is proud of his large cell.

The most important part of teaching is to teach what it is to know.

I would suggest that barbarism be considered as a permanent and universal human characteristic which becomes more or less pronounced according to the play of circumstances.

The only hope of socialism resides in those who have already brought about in themselves, as far as is possible in the society of today, that union between manual and intellectual labor which characterizes the society we are aiming at.