common sense is a very tricky instrument; it is as deceptive as it is indispensable.

The seeds of civilization are in every culture, but it is city life that brings them to fruition.

Philosophical questions are not by their nature insoluble. They are, indeed, radically different from scientific questions, because they concern the implications and other interrelations of ideas, not the order of physical events; their answers are interpretations instead of factual reports, and their function is to increase not our knowledge of nature, but our understanding of what we know.

The power of magic has no known limits. A person knows, in a fair way, his own physical capacities, the weight of the blows he can deal, the furthest range of his arrows, the strength of his voice, the speed and endurance of his running; but the reaches of his mind are indefinite and, to his feeling, infinite.

Pioneering is the work of individuals.

If we would have new knowledge, we must get a whole world of new questions.

Art is the objectification of feeling, and the subjectification of nature.