“Earth could not answer; nor the Seas that mourn / In flowing Purple, their Lord forlorn; / Nor rolling Heaven, with all his Signs reveal’d / And hidden by the sleeve of Night and Morn.” Rubaiyat of Omar Khayyam
A sense of humour is a sense of proportion. Sand and Foam
The challenge now is to develop human history as a science. Guns, Germs And Steel
Not until the beginning of the 20th century did Europe's urban populations finally become self-sustaining: before then, constant immigration of healthy peasants from the countryside was necessary to make up for the constant deaths of city dwellers from crowd diseases. Guns, Germs And Steel
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