There are evidences that some of the Salaf used to do it and our scholar say that it is permissible as it is using the Quran for treatment.
And Allah knows best

After reciting Quran, people blow over water and drink it, is it correct?

Hadeeth & its Sciences | February 24, 2014 1:01 pm
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There is a hadeeth which says “if anyone has an atom of pride in our hearts one would not enter paradise” does this include if one is proud of one’s country or religion?