This is also related to the classical elements of air, water, earth, and fire; as sanguine, phlegmatic, melancholic, and choleric, respectively.
en.wikipedia.org 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 The melancholic and choleric, however, shared a sustained response (dryness), and the sanguine and phlegmatic shared a short-lived response (wetness).
en.wikipedia.org Phlegmatic temperaments are characterized by dependability, kindness, and affection.
en.wikipedia.org He determined that the phlegmatic type has no interest in either the beautiful or the sublime, so there was an absence of both (sb).
en.wikipedia.org