Is it conceivable that mysticism is a mark of inadequate art?

To trace the development of mind from earliest times ... requires ... not a categorical concept, but a functional one.... The most promising operational principle for this purpose is the principle of individuation.

The limits of thought are not so much set from outside, by the fullness or poverty of experiences that meet the mind, as from within, by the power of conception, the wealth of formulative notions with which the mind meets experiences.

A mind that is very selective to forms... is apt to use its images metaphorically, to exploit their possible significance for the conception of remote or intangible ideas.

All persistent practices in art have a creative function. They may serve several ends, but the chief one is the shaping of the work.

It is significant that people who refuse to tell their children fairytales do not fear that the children will believe in princes and princesses, but that they will believe in witches and bogeys.

The faith of scientists in the power and truth of mathematics is so implicit that their work has gradually become less and less observation, and more and more calculation.... But the facts which are accepted by virtue of these tests are not actually observed at all.