The pure, frank sentiments we hold in our hearts are the only truthful sources of art. — Caspar David Friedrich
The divine is everywhere, even in a grain of sand; there I represented it in the reeds. — Caspar David Friedrich
If he sees nothing within, then he should stop painting what is in front of him. — Caspar David Friedrich
Close your bodily eye, that you may see your picture first with the eye of the spirit. — Caspar David Friedrich
The painter should paint not only what he has in front of him, but also what he sees inside himself. — Caspar David Friedrich