The King's 28 Letters Have Been Described

The Rate Of Human Invention Is Faster, And The Rate Of Cultural Loss Is Slower, In Areas Occupied By Many Competing Societies With Many Individuals And In Contact With Societies Elsewhere.

The Metaphor Is So Obvious. Easter Island Isolated In The Pacific Ocean — Once The Island Got Into Trouble, There Was No Way They Could Get Free. There Was No Other People From Whom They Could Get Help. In The Same Way That We On Planet Earth, If We Ruin Our Own [world], We Won't Be Able To Get Help.

One Person Making A Wrong Decision Affects The Whole Country.

African Cavalry Mounted On Rhinos Or Hippos Would Have Made Mincemeat Of European Cavalry Mounted On Horses. But It Couldnt Happen.

The Anasazi Did Manage To Construct In Stone The Largest And Tallest Buildings Erected In North America Until The Chicago Steel Girder Skyscrapers Of The 1880s.