Sentence:  [T]he majority of human beings born under the influence of Mars—the Martians (or "Martials")—are heavily built but physically strong. [...] [T]hey are easily angered, and, for the time being, forget everything in the excess of their violence. The worst <WSD>Martian</WSD> type will commit murder before he knows it. 
Meaning of the word marked with <WSD> tags:  Pertaining to the astrological influence of the planet Mars; aggressive, bellicose. (from 14th c.)