Richard Kieninger discusses The Ultimate Frontier and his teachings about human civilization's spiritual evolution and approaching transformation. His book presents a comprehensive philosophy addressing humanity's past, present, and future while claiming to reveal hidden history and spiritual knowledge necessary for conscious evolution. Kieninger examines ancient civilizations and how advanced cultures have risen and fallen throughout human history according to cycles of spiritual development and material destruction. The conversation covers the Lemurian and Atlantean civilizations and what these legendary cultures might teach about human potential and the consequences of misusing advanced knowledge. He discusses his vision for intentional communities where spiritually-oriented people can prepare for coming earth changes and help preserve knowledge through transformation periods. Kieninger addresses the role of spiritual brotherhoods and how advanced beings guide human evolution while allowing free will to determine how individuals and civilizations develop. His teachings reveal a vast cosmology where Earth serves as school for soul development and where current upheavals represent necessary transitions toward higher consciousness. The discussion covers practical preparation for approaching changes and how spiritual development enables individuals to navigate transformation successfully. Kieninger explores humanity's ultimate frontier as achieving brotherhood, spiritual mastery, and conscious participation in cosmic evolution while transcending the material limitations that currently constrain human potential.