Sanguine, Choleric, Melancholy, and Phlegmatic. These he compared to the choleric, phlegmatic, melancholic and sanguine respectively. Hippocrates theorized that there are four personality types&colon; choleric, melancholic, sanguine, and phlegmatic. People were thought to be either of the four temperaments&colon; choleric, melancholic, phlegmatic, or sanguine. Even now, some still use words "choleric", "sanguine", "phlegmatic" and "melancholic" to describe personalities. Learned optimism refers to development of one's potential for a sanguine outlook. Seymour Stark's view is less sanguine. Some radical centrists are less than sanguine about their future. The reaction of the established scholarly world was somewhat less than sanguine. The pigment used in sanguine sticks comes from red earths such as red ochre. It was associated with a sanguine nature (enthusiastic, active, and social). Those with too much blood were sanguine. In interviews with the media, bankers seemed sanguine about the outcome. He seems generally sanguine about their pursuit. Springheeled Jack is a hideous man who, like Sanguine, does not have traditional magic powers.