Pictures and shapes are but secondary objects and please or displease only in the memory.

I feel ever so strongly that an artist must be nourished by his passions and his despairs. These things alter an artist whether for the good or the better or the worse. It must alter him. The feelings of desperation and unhappiness are more useful to an artist than the feeling of contentment, because desperation and unhappiness stretch your whole sensibility.

It is idle to expect any great advancement in science from the superinducing and engrafting of new things upon old. We must begin anew from the very foundations, unless we would revolve for ever in a circle with mean and contemptible progress.

If you can talk about it, why paint it?

Nor do apophthegms only serve for ornament and delight, but also for action and civil use, as being the edge-tools of speech which cut and penetrate the knots of business and affairs: for occasions have their revolutions, and what has once been advantageously used may be so again, either as an old thing or a new one.

Money is a great treasure that only increases as you give it away.

Painting is a duality and abstract painting is an entirely aesthetic thing. It always remains on one level. It is only really interesting in the beauty of its patterns or its shapes.