C aspar David Friedrich —1774* 1840† | was a painter of inner worlds. His landscapes do not depict nature as it is, but as it is felt. Mountains, seas, fog, ruins – for him, these are not motifs but states of being. The world becomes a mirror of the inner self. Friedrich often portrayed people with their backs to the viewer. This famous "Rückenfigur" (back figure) does not invite identification, but participation. One does not stand before the painting; one stands within it. The gaze extends outward – into the distance, into the unknown, into the open. His nature is still, but not harmless. It is sublime, sometimes threatening, always greater than man. Light appears not decorative but symbolic. Fog conceals, crosses mark transitions, barren trees speak of transience. Yet Friedrich's paintings are not gloomy warnings – they are meditative spaces. During his lifetime, he was increasingly misunderstood. The zeitgeist turned away; his art was considered too serious, too subjective. Only later was his significance as a radical innovator recognized. Friedrich freed landscape from mere depiction and made it a vehicle for existential questions. Caspar David Friedrich shows that seeing is also an internal process. That silence is not empty. And that the greatest depth often lies where hardly anything happens.