Bad attitude on the part of the daa‘iyah is an obstacle to da‘wah

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What are the things that make faith decrease?
Bad deeds may erase good deeds

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Related Answers:
Do major sins cancel out good deeds?
Is the division and categorisation of knowledge a good innovation (bid‘ah hasanah)?
What are the things that make faith decrease?
Bad deeds may erase good deeds

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