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![sagansense: “The progressive development of [humankind] is vitally dependent on](https://64.media.tumblr.com/5c1c2104c241ea8692f09c07ae5afd6b/tumblr_n8hh8kHYnt1r01w8mo1_1280.jpg)
sagansense: “The progressive development of [humankind] is vitally dependent on invention. It’s ultimate purpose is the complete mastery of mind over the material world. The harnessing of the forces of nature to human needs.”— Nikola Tesla, 1919
