# Our obligation to survive is owed not just to ourselves but also to that Cosmos by Carl Sagan > "Our obligation to survive is owed not just to ourselves but also to that Cosmos." > **— Carl Sagan**, *Cosmos (1980), excerpt candidate* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: Cosmos (1980), excerpt candidate.