Caliban upon Setebos is a poem written by the British poet Robert Browning and published in his 1864 Dramatis Personae collection. It deals with Caliban, a character from Shakespeare's The Tempest, and his reflections on Setebos, the brutal god believed in by himself and his late mother Sycorax. Some scholars see Browning as being of the belief that God is in the eye of the beholder, and this is emphasized by a barbaric character believing in a barbaric god. An offshoot of this interpretation is the argument that Browning is applying evolutionary theory to religious development. Others feel that he was satirizing theologians of his time, who attempted to understand God as a reflection of themselves; this theory is supported by the epigraph, Psalm 50:21, "Thou thoughtest that I was altogeth