According to this narrative, shortly after the birth of young prince Gautama, an astrologer named Asita visited the young prince's father, Suddhodana, and prophesied that Siddhartha would either become a great king or renounce the material world to become a holy man, depending on whether he saw what life was like outside the palace walls. According to Asita, how would Siddhartha decide which path to take in life?