When a man has a great deal of knowledge, it becomes extremely easy for him to confuse "knowledge" with "wisdom". and forget that the antonym of "wisdom" is not "ignorance" but "folly."
The People of the Black Circle is a collection of fantasy short stories written by Robert E. Howard featuring his seminal sword and sorcery hero Conan the Barbarian. Hill chieftan Conan heads into the Himelian mountains to rescue the Vendhyan queen, as Turanians, Afghulis, and Irakzais are caught in the machinations of demonic sorcerors of the Black Circle.
Just missing the tall, gaunt man who dodged down the stairs of the Earth Embassy. A figure loomed in a doorway and he snapped off a quick blaster shot at it--missed. He'd killed one man, wounded others--and was carrying papers stolen from the secret Embassy files. They had to stop him--but they couldn't! And, worlds away, the men of Department 99 watched on their galaxy-spanning view-screen. knowing they were responsible for this disaster--and powerless to do anything about it!
A Playboy is someone with power, too much time on his hands, and too little sense of a goal worth achieving. And if the Playboy happens to belong to a highly advanced culture....