Now it is established in the sciences that no knowledge is acquired save through the study of its causes and beginnings if it has had causes and beginnings nor completed except by knowledge of its accidents and accompanying essentials.

Failure and its accompanying misery is for the artist his most vital source of creative energy.

The more specific idea of Evolution now reached is - a change from an indefinite incoherent homogeneity to a definite coherent heterogeneity accompanying the dissipation of motion and integration of matter.