They will hear no blasphemies there or disavowals:
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Tafseer
'Abdullāh Ibn 'Abbās / Muḥammad al-Fīrūzabādī
تفسير : (there) in paradise (hear they) the inhabitants of the garden (never vain discourse) oaths or falsehood, (nor lying) they do not lie to each other.
Jalāl al-Dīn al-Maḥallī
تفسير : they will not hear in it, that is, [in] paradise, when they drink wine and in other situations, any vain talk, any words of falsehood, or lies, between one another (read kidhāban, to mean kadhiban, ‘lies’, or kidhdhāban to mean takdhīban, ‘lying’), in contrast to what happens in this world when wine is drunk,