chapter  XIII
Pages 5

So little is known of temperament that it is hardly a scientific subject. I t is still spoken of as a doctrine. Galen, who flourished in the second century of our era, recognized four temperaments, and the terms are still used in popular language. There were the full-blooded, or sanguine, which is warm, impressional and change­ able ; the phlegmatic, which is quiet, slow and persistent; the bilious, or choleric, which is energetic and pre­ dominantly objective; and the melancholic, which is sentimental and has a marked tendency to subjectivity in excessive form.