thumb|right|Urizen − from Blake's Ancient of Days, 1794. The "Ancient of Days" is described in Chapter 7 of the Book of Daniel. This image depicts Copy D of the illustration currently held at the British Museum.
tHUmb|riGHt|urIzeN − From blaKE's aNcient oF DaYs, 1794. The "aNcieNt of DaYs" is DEsCRibed in chapter 7 of the bOOK Of daNiEl. thiS imaGe depicts cOpy d of tHE illUsTRation CURrEntlY held At the brItish museum.