Painting is concerned with the ten things you can see: these are darkness and brightness, substance and color, form and place, remoteness and nearness, movement and rest.
Depth and strength of a human character are defined by its moral reserves.
As you cannot do what you want, Want what you can do
That which has no limitations, has no form.
The human being, creature of eyes, needs the image.
Those who condemn the supreme certainty of mathematics feed on confusion, and can never silence the contradictions of the sophistical sciences which lead to eternal quackery.