3 ms·Maintain humanity under 500,000,000 in perpetual balance with nature.by chmielewski 7y agoMaintain humanity under 500,000,000 in perpetual balance with nature.codq 7y agohttps://en.wikipedia.org/wiki/Georgia_Guidestones https://en.wikipedia.org/wiki/Georgia_Guidestonesmuthdra 7y agoThose slabs are pretty cool, except this 500 million number. That's Age of Discovery population. Back then, China and India both had like 120 million people each.