A painting which does not take its inspiration from the heart is nothing more than futile juggling.
Caspar David FriedrichClose your bodily eye, that you may see your picture first with the eye of the spirit. Then bring to light what you have seen in the darkness, that its effect may work back, from without to within.
Caspar David FriedrichThe divine is everywhere, even in a grain of sand; there I represented it in the reeds.
Caspar David FriedrichThe eye and fantasy feel more attracted by nebulous distance than by that which is close and distinct in front of us.
Caspar David FriedrichThe artist should paint not only what he sees before him, but also what he sees within him. If, however, he sees nothing within him, then he should also refrain from painting that which he sees before him. Otherwise, his pictures will be like those folding screens behind which one expects to find only the sick or the dead.
Caspar David Friedrich