“Seth material” search engine (Jane Roberts)

These outposts were constructed underground. From the original cities and large settlements there were, of course, underground connections, a system of tunnels, highly intricate and beautifully engineered. Since these were an aesthetic people, the walls were lined with paintings and drawings, and sculpture was also displayed along these inner byways.

Of course, they had complete records of underground gas areas and intimate knowledge of the inner crusts, keeping careful watch upon and anticipating earth tremors and faults. They were as triumphant about their descent into the earth as any race ever was who left the earth.

Certain sounds, again, were utilized to indicate amazing distinctions in terms of size, shape, direction, and duration both in space and time. Sounds automatically produced brilliant images, in other words. For this reason there was an easy distinction between what was called inner sight and outer sight, and it was quite natural for them to close their eyes when seated in conversation in order to communicate more clearly, enjoying the ever-changing and immediate inner images that accompanied any verbal interchange.