Abu Said ibn Abi al-Khair (äˈbō säˈĭd ĭˈbən äbēˈ äl-khĪrˈ) [key], 967–1049, Persian poet, a Sufi and a dervish. He was the first to write rubaiyat (quatrains) in the Sufistic strain that Omar Khayyam made famous.
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