"We visited Friedrich's atelier today. Listening to him and seeing his paintings was wonderful. He has some bonhomie which pleases people and his paintings reveal his romantic imagination. As a rule, he expresses in them one thought or feeling, though vaguely. You may meditate over his paintings but not have a clear understanding of them, for they are vague even in his soul. They are dreams or daydreams. He often employs very simple natural things, such as an ice block floating on sea waves, a few trees in a dale, window of his room (facing the beautiful Elbe), knight meditating over ruins or tombstones, monk staring into the distance or below his feet: all this captivates your soul, plunges you into dreams, all invokes your imagination, powerfully though vaguely."