The possibility of reduced-time interstellar travel either by advanced extraterrestrial civilizations at — Harold E. Puthoff
The role of religions in the domination and destruction of African civilizations — John Henrik Clarke
Civilizations evolve over time, and most scholars of civilization, including people like — Samuel P Huntington
There are many, many communities, many ethnic minorities, many civilizations that have — David Oyelowo
By suppressing differences and peculiarities, by eliminating different civilizations and cultures, progress — Octavio Paz