"We have reason to believe that when, during the crusades, Europe at last began to establish hospitals, they were inspired by the Arabs of near East....The first hospital in Paris, Les Quinze-vingt, was founded by Louis IX after his return from the crusade 1254-1260."

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Throughout our long and sorry history it has been men who supposed themselves to be exemplars of integrity who have done all the damage. Every crusade, whether for decent literary standards or to cover women's bodies or to free the holy land, had been launched, endorsed, and enthusiastically perpetrated by men of character.

— Jack McDevitt