Beauty is the child of love.

It is here [in mathematics] that the artist has the fullest scope of his imagination.

Even the most scientific investigator in science, the most thoroughgoing Positivist, cannot dispense with fiction; he must at least make use of categories, and they are already fictions, analogical fictions, or labels, which give us the same pleasure as children receive when they are told the "name" of a thing.

The mother is really a more immediate parent than the father because one is born from the mother, and the first experience of any infant is the mother.

Courtship, properly understood, is the process whereby both the male and the female are brought into that state of sexual tumescence which is a more or less necessary condition for sexual intercourse. The play of courtship cannot, therefore, be considered to be definitely brought to an end by the ceremony of marriage; it may more properly be regarded as the natural preliminary to every act of coitus.

Man lives by imagination.

What we call 'morals' is simply blind obedience to words of command.