30:59

كَذَٰلِكَ يَطْبَعُ اللَّهُ عَلَىٰ قُلُوبِ الَّذِينَ لَا يَعْلَمُونَ

Transliteration:

Kathalika yatbaAAu Allahu AAala quloobi allatheena la yaAAlamoona

Word by Word:

Thus Allah seals [on] (the) hearts (of) those who (do) not know.

Translations:

In this way does God seal the hearts of those who do not [want to] know [the truth].

Thus does God seal up the hearts of those who understand not.

Thus doth Allah seal the hearts of those who know not.

Thus does Allah seal the hearts of those who know not.

Thus does Allah seal the hearts of those who do not know.