85:1.5

Hill worship followed stone worship, and the first hills to be venerated were large stone formations. It presently became the custom to believe that the gods inhabited the mountains, so that high elevations of land were worshiped for this additional reason. As time passed, certain mountains were associated with certain gods and therefore became holy. The ignorant and superstitious aborigines believed that caves led to the underworld, with its evil spirits and demons, in contrast with the mountains, which were identified with the later evolving concepts of good spirits and deities.