66:5.10
The blue man was partial to alphabet writing and made the greatest progress along such lines. The red man preferred pictorial writing, while the yellow races drifted into the use of symbols for words and ideas, much like those they now employ. But the alphabet and much more was subsequently lost to the world during the confusion attendant upon rebellion. The Caligastia defection destroyed the hope of the world for a universal language, at least for untold ages.