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

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.

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

The secret of 'fusion' is the fact that the artist's eye sees in nature... an inexhaustible wealth of tension, rhythms, continuities, and contrasts which can be rendered in line and color.

Real thinking is possible only in the light of genuine language, no matter how limited, how primitive.

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.

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.