Sentence:  [page 113] The idea of <WSD>superman</WSD> is as old as the world. Through all the centuries, through hundreds of centuries of its history, humanity has lived with the idea of <WSD>superman</WSD>. Sayings and legends of all ancient peoples are full of images of a <WSD>superman</WSD>. Heroes of myths, Titans, demi-gods, Prometheus, who brought fire from heaven; prophets, messiahs and saints of all religions; heroes of fairy tales and epic songs, knights who rescue captive princesses, awake sleeping beauties, vanquish dragons, and fight giants and ogres—all these are images of a <WSD>superman</WSD>. ... [page 114] People dreamt of, or remembered times long past when their life was governed by <WSD>supermen</WSD>, who struggled against evil, upheld justice and acted as mediators between men and the Deity, governing them according to the will of the Deity, giving them laws, bringing them commandments. 
Meaning of the word marked with <WSD> tags:  A person of extraordinary or seemingly superhuman powers.