Sagan maintained that the idea of a creator God of the Universe was difficult to prove or disprove and that the only conceivable scientific discovery that could challenge it would be an infinitely old universe.
Sagan sostiña que a idea dun creador do universo era difícil de probar ou refutar, e que o único descubrimento científico que podería desafiala sería o dun universo infinitamente vello.