As indicated in the subtitle, each of its four movements is a musical sketch of a humor of the four temperaments: choleric, phlegmatic, melancholic, and sanguine.
en.wikipedia.org Water, is cold and moist, related closely to phlegm: people with more phlegmatic personalities were passive and submissive.
en.wikipedia.org The melancholy and choleric, however, shared a sustained response, and the sanguine and phlegmatic shared a short-lived response.
en.wikipedia.org A solid and phlegmatic character, he holds his own, but neither attracts nor creates any trouble.
en.wikipedia.org The melancholic and choleric, however, shared a sustained response (dryness), and the sanguine and phlegmatic shared a short-lived response (wetness).
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