By academic freedom I understand the right to search for truth and to publish and teach what one holds to be true. This right also implies a duty: one must not conceal any part of what one has recognized to be true.

Only the one who does not question is safe from making a mistake.

The value of a man should be seen in what he gives and not in what he is able to receive.

The only thing that interferes with my learning is my education.

If I were to remain silent, I'd be guilty of complicity.

Knowledge and ego are directly related. the less knowledge, the greater the ego

I received your letter of June 10th. I have never talked to a Jesuit priest in my life and I am astonished by the audacity to tell such lies about me. From the viewpoint of a Jesuit priest I am, of course, and have always been an atheist.