“Capitalism is all about somebody coming and trying to take the castle. Now what you need is …. you need a castle that has some durable competitive advantage — some castle that has a moat around it.”
Rules for success
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Warren Buffett 146
American business magnate, investor, and philanthropist 1930Related quotes

“That is what Castle's work needed: a beginner's eye”
Flicker (1991)
Context: That is what Castle's work needed: a beginner's eye—my eye, before it became too schooled and guarded, while it was still in touch with the vulgar foundations of the art, still vulnerably naive enough to receive that faint and flickering revelation of the dark god whose scriptures are the secret history of the movies.

Don't Let It Bring You Down
Song lyrics, After the Gold Rush (1970)
Source: Medieval castles (2005), Ch. 4 : The Castle as Symbol and Palace

The castle of Kmita and Lubomirski at Wiśnicz Nowy, "Aura" 2, 1991-02, p. 18-20. http://agro.icm.edu.pl/agro/element/bwmeta1.element.agro-bd5a073d-07bd-4353-9edc-6bf8ea3d43c5?q=de70f1df-826d-4538-9cee-535aa9902521$5&qt=IN_PAGE

Source: Trout Fishing in America / The Pill vs. the Springhill Mine Disaster / In Watermelon Sugar
“You've no right to walk into people's castles and take their guitars.”
Source: Howl's Moving Castle