should Muslims believe in Pir's?

[burqaposhx]

@STONECOLD

…surely just like there are good jinn, there are bad jinn as well.

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Where in Quran it is mentioned? the good jinns vs. bad jinns?

(a sincere question).

@STONECOLD

surely jinns exist as is mentioned in the Quran.
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OK (But the very concept of Jinn is open to interpretation).