That is because they accepted faith with their tongues then disbelieved with their hearts, therefore their hearts were sealed – so now they do not understand anything.
این بخاطر آن است که نخست ایمان آوردند سپس کافر شدند؛ از این رو بر دلهای آنان مهر نهاده شده، و حقیقت را درک نمی‌کنند!