# A Fifty-Fifty Chance of Survival by Martin Rees > “I think the odds are no better than fifty-fifty that our present civilization on Earth will survive to the end of the present century.” > **— Martin Rees**, *2003, Our Final Hour* ## Sources and Context - **Direct source and editorial record:** [2003, Our Final Hour](https://files.cercomp.ufg.br/weby/up/410/o/Our_Final_Hour_%E2%80%93_A_Scientist%27s_Warning_._2003_._Martin_Rees_c%C3%B3pia.pdf) — The book states this estimate on page 8; the source is a forecast, not an established probability. ## Related Articles and Collections - **Collection:** [[collections/Machine Succession|Machine Succession]] - **Collection:** [[collections/MARS|MARS]] - **Article:** [[articles/AI Escape Is the Wrong Metaphor|AI Escape Is the Wrong Metaphor]] - **Article:** [[articles/Christopher Nolan's Odyssey at the Threshold of Machine Succession|Christopher Nolan's Odyssey at the Threshold of Machine Succession]] - **Article:** [[articles/We Were Never Going to Make It|We Were Never Going to Make It]] - **Wiki map:** [[wiki/Artificial General Intelligence|Artificial General Intelligence]] ## Related Topics - [[wiki/Existential Risk|Existential Risk]] - [[wiki/Existential Catastrophe|Existential Catastrophe]] ## Share on Social Media ``` “I think the odds are no better than fifty-fifty that our present civilization on Earth will survive to the end of the present century.” — Martin Rees, 2003, Our Final Hour https://bryantmcgill.com/simple-reminders-martin-rees-fifty-chance-survival ```