Ohne Hast, aber ohne Rast. - Without haste, but without rest.

The eye doesn't see any shapes, it sees only what is differentiated through light and dark or through colors.

We should know mankind better if we were not so anxious to resemble one another.

It makes no good to point the failures out without showing at the same time the remedy to address them.

Wood burns because it has the proper stuff in it; and a man becomes famous because he has the proper stuff in him.

The dignity of art probably appears most eminently with music since it does not have any material that needs to be discounted. Music is all form and content and elevates and ennobles everything that it expresses.

We talk too much. We should talk less and draw more.