What is the significance of the Hall of Two Truths in ancient Egyptian mythology?

The Hall of Two Truths in ancient Egyptian mythology was a place where the heart of the deceased was weighed against the feather of Ma'at, the goddess of truth and justice. If the heart was lighter than the feather, the deceased was deemed worthy to enter the afterlife. This concept emphasized the importance of living a just and moral life in order to achieve eternal happiness in the afterlife.