# We live at what could be a defining moment for the cosmos, not just for our Earth by Martin Rees > "We live at what could be a defining moment for the cosmos, not just for our Earth." > **— Martin Rees**, *Space-survival writings, attribution clue* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: Space-survival writings, attribution clue.