In ancient Roman lore, the god Janus embodies a duality represented through his two faces, symbolizing beginnings and endings. This unique portrayal highlights Janus's role as a guardian of thresholds, such as new years and significant transitions. Furthermore, he represents the connection between past and future, emphasizing time's cyclical nature. This dual aspect showcases how every ending is intertwined with a new beginning, encouraging reflection on choices and the inevitable progression of time.