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In page Rumi:

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Like other mystic and Sufi poets of Persian literature, Rumi's poetry speaks of love which infuses the world.[citation needed] Rumi's teachings also express the tenets summarized in the Quranic verse which Shams-e Tabrizi cited as the essence of prophetic guidance: "Know that ‘There is no god but He,’ and ask forgiveness for your sin" (Q. 47:19).