Blake's work, which became part of the wider movement of Romanticism in late 18th and early 19th century European culture, is filled with religious visions.

BBC: NEWS | UK | England | Nottinghamshire | Blake's dark religious roots

Crusoe memorably confronts ocean waves, earthquakes and religious visions, but he also nurses a summer fever, using tobacco and rum as an improvised remedy to clear his head.

WSJ: Fiction as Authentic as Fact | Robinson Crusoe | Daniel Defoe | Masterpiece by Danny Heitman

These reports suggested that religiosity originates specifically in the brain's temporal lobe, and that religious visions are the result of epileptic seizures that affect this part of the brain.

ECONOMIST: The science of religion

Your symptoms aren't fully explained by a general medical condition, drug use or a culturally accepted behavior, such as experiencing visions at a religious ritual.

CNN: Conversion disorder

Yet as a rule the success of a new religious movement depends not so much on the mystical visions of its founder as on the executive energy of its first evangelist.

NEWYORKER: I, Nephi

While undoubtedly magnified by rumor and street chatter, Ahmadinejad's confirmed relationship with religious extremists, along with the degree to which he has embraced their bleak and violent visions, is a sufficient cause for concern.

CENTERFORSECURITYPOLICY: True Fanatic

The clash between these two visions of Egypt -- secular with freedom and social justice, or a religious state run by the Brotherhood with its version of Sharia law -- played out inside families and on the streets.

CNN: U.S gets it wrong on Egypt again