Final answer:
The central idea of "Perseus and the Quest for Medusa's head" is the importance of cleverness and resourcefulness in overcoming challenges.
Step-by-step explanation:
The central idea of "Perseus and the Quest for Medusa's head" is the importance of cleverness and resourcefulness in overcoming challenges. Perseus, with the help of the gods and his own ingenuity, finds a way to defeat the terrifying Medusa without directly looking at her. This story teaches the lesson that intelligence and creative thinking can lead to success even in the face of seemingly impossible obstacles.