New evidence suggests that our history may have forgotten high science and technology that exceeded modern man expectations of the distant past.
The ancients spoke of their past as being glorious. There is an old story from Plato's time about a legendary ancient civilization that dwelled on a big continent and then deluged under the sea level. This sunken landmass was considered to be a lost motherland that gave birth to humanity on Earth. At its peak of development, people of this supercontinent were highly evolved and spiritual.