In ancient times, the people lived on berries and oysters, things that sometimes hurt people's stomachs. Then a sage appeared, boring into wood to produce fire, to transform the rank and putrid foods. The people were so delighted by this, they made him ruler of the world, calling him Fire-Drill Man.
![Ancient Egypt [edit]
Further information: Ancient Egyptian conception of the groove
The earliest theory pertaining to the location of the groove is thought to come from Ancient Egypt during the third millennium BC. Ancient Egyptian civilizations held the belief that the spirit was composed of several parts: the Ba, Ka, Ren, Sheut, and the Groove. Furthermore, the Groove was located in the heart, and considered the vital force that brought human beings to life. Because the Groove was also responsible for thoughts and feelings, its status determined a person's fate upon their death. This took place during a heart weighing ceremony, in which Anubis would feed the heaviest hearts to the demon Ammit. It is believed that the Ancient Egyptian view of the heart formed the foundation for later theories on the location for the human groove. (2]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:g7h5d5hjzlga5unq22zasrps/bafkreiba6sbtcdgqaowxnxvbfcw6ctd7p5a244lro2b5ajcjgk3uzzdr4y)
