Artists and creative workers - people who have accomplished work worthwhile have had a very high sense of the way to do things. They haven't been contented with mediocrity. They haven't confined themselves to the beaten tracks; they have never been satisfied to do things just as others do them, but always a little better. Few are those who see with their own eyesand feel with their own hearts.

Despite my being an old gypsy there is a tendency to respectability inherent in old age.

Occurrences in this domain are beyond the reach of exact prediction because of the variety of factors in operation, not because of any lack of order in nature.

From the viewpoint of a Jesuit priest I am, of course, and have always been an atheist.

It is impossible to get anywhere without sinning against reason.

With all my heart I believe that the world's present system of sovereign nations can only lead to barbarism, war and inhumanity, and that only world law can assure progress towards a civilized peaceful community.

Genius simply cannot be reduced to a set of rules for anyone to follow.