“The Devil is right at home. The Devil, the Devil himself, is right in the house.
And the Devil came here yesterday. Yesterday the Devil came here. Right here. [crosses himself] And it smells of sulphur still today.
Yesterday, ladies and gentlemen, from this rostrum, the president of the United States, the gentleman to whom I refer as the Devil, came here, talking as if he owned the world. Truly. As the owner of the world.”

Source: The Tempest

http://loudwire.com/alice-in-chains-reveal-release-date-album-art-track-listing-for-the-devil-put-dinosaurs-here/, Interview with Revolver Magazine, March 2013

William of Baskerville
The Name of the Rose (1980)

Source: The Queen of the Damned

Source: Gargantua and Pantagruel (1532–1564), Fourth Book (1548, 1552), Chapter 24.

Japan, the Beautiful and Myself (1969)
Context: I myself have two specimens of Ikkyu's calligraphy. One of them is a single line: "It is easy to enter the world of the Buddha, it is hard to enter the world of the devil." Much drawn to these words, I frequently make use of them when asked for a specimen of my own calligraphy. They can be read in any number of ways, as difficult as one chooses, but in that world of the devil added to the world of the Buddha, Ikkyu of Zen comes home to me with great immediacy. The fact that for an artist, seeking truth, good, and beauty, the fear and petition even as a prayer in those words about the world of the devil — the fact that it should be there apparent on the surface, hidden behind, perhaps speaks with the inevitability of fate. There can be no world of the Buddha without the world of the devil. And the world of the devil is the world difficult of entry. It is not for the weak of heart.

Source: Wicked: The Life and Times of the Wicked Witch of the West

Source: Beyond the Highland Mist