Carl Sagan: Claims that cannot be tested, assertions immune to disproof are veridically worthless, w


	Carl Sagan Carl Sagan Claims that cannot be tested, assertions immune to disproof are veridically worthless, whatever value the may have in inspiring us or in exciting our sense of wonder. Carl Sagan BestQuotes4Ever.com Claims that cannot be tested, assertions immune to disproof are veridically worthless, whatever value the may have in inspiring us or in exciting our sense of wonder. 3705

Carl Sagan