Motivations for Ambitious Achievements
Neil deGrasse Keynotes - The Neil deGrasse speeches examine the misconceived notion that private enterprises and privatizing...
Neil deGrasse Tyson Gives a Motivation for Greatness Speech
Tyson talks about how there are really only three factors that motivate societies to pursue expensive and ambitious achievements. Those factors are worship (either of a God or royalty), fear of war and attack and economic growth. These motivations have led societies to build the great pyramids and the great wall of China, so they could lead to space discovery as well.
Tyson says that while fear of war could become a driving factor behind space exploration, it's more likely that economic growth will be behind the exploration of Mars.