Islam and other religions: Difference between revisions - Wikipedia

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=== Areas of peaceful expansion ===

Sometime in the ninth and tenth centuries [[Common Era|CE]], an Islamic mystical movement called [[Sufism]] took concrete shape. (Note that this is controversial; Sufis insist that they are only continuing a tradition that started with Muhammad. However, organized Sufi movements seem to become evident at that time.)

Sufis stressed the importance of learning from living teachers renowned for their piety and spiritual wisdom, and were organized into [[Sufi orders]], lineages of teachers traced back to a revered founder.