Art flourishes where there is a sense of adventure, a sense of nothing having been done before, of complete freedom to experiment.

The safest general characterization of the European philosophical tradition is that it consists of a series of footnotes to Plato.

Ideas won't keep. Something must be done about them.

A man really writes for an audience of about ten persons. Of course if others like it, that is clear gain. But if those ten are satisfied, he is content.

A clash of doctrine is not a disaster, it is an opportunity.

To see what is general in what is particular, and what is permanent in what is transitory, is the aim of scientific thought.

Philosophy is the product of wonder.