Without adventure civilization is in full decay. ... The great fact [is] that in their day the great achievements of the past were the adventures of the past.

The misconception which has haunted philosophic literature throughout the centuries is the notion of 'independent existence.' There is no such mode of existence; every entity is to be understood in terms of the way it is interwoven with the rest of the universe.

An enormous part of our mature experience cannot not be expressed in words.

You cannot evade quantity. You may fly to poetry and music, and quantity and number will face you in your rhythms and your octaves.

Every organism requires an environment of friends, partly to shield it from violent changes, and partly to supply it with its wants.

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

I consider Christianity to be one of the great disasters of the human race... It would be impossible to imagine anything more un - Christianlike than theology.