Evolution is a blind giant who rolls a snowball down a hill. The ball is made of flakes-circumstances. They contribute to the mass without knowing it. They adhere without intention, and without foreseeing what is to result. When they see the result they marvel at the monster ball and wonder how the contriving of it came to be originally thought out and planned. Whereas there was no such planning, there was only a law: the ball once started, all the circumstances that happened to lie in its path would help to build it, in spite of themselves.
Art is individualism, and individualism is a disturbing and disintegrating force. There lies its immense value. For what it seeks is to disturb monotony of type, slavery of custom, tyranny of habit, and the reduction of man to the level of a machine. It seeks to show new perspectives and other choices. It is a way to help expand and liberate the consciousness; our experiences, understandings, imaginings, options and thereby our lives.
No more than a famous master can be replaced and another take over the completion of the half-finished painting he has left behind can the great poet and thinker, the great statesman and the great soldier, be replaced. For their activity lies always in the province of art. It is not mechanically trained but inborn by God's grace.
I know that most men, including those at ease with problems of the greatest complexity, can seldom accept even the simplest and most obvious truth if it be such as would oblige them to admit the falsity of conclusions which they have delighted in explaining to colleagues, which they have proudly taught to others, and which they have woven, thread by thread, into the fabric of their lives.