Finns det någon kanoninformation, citat eller intervjuer med J.K. Rowling som föreslår Hogwarts hus är (löst) baserat på de fyra temperamenten: Choleric, Sanguine, Melancholic, och Phlegmatic?
Inte temperamenten, men de fyra elementen. J.K. Rowling nämner detta med hänvisning till Slytherin House:
JKR: Probably. I hear you. It is the tradition to have four houses, but in this case, I wanted them to correspond roughly to the four elements. So Gryffindor is fire, Ravenclaw is air, Hufflepuff is earth, and Slytherin is water, hence the fact that their common room is under the lake. So again, it was this idea of harmony and balance, that you had four necessary components and by integrating them you would make a very strong place. But they remain fragmented, as we know.
The Leaky Cauldron and Mugglenet - 2006
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