S o God has loving-kindness for those He wants to. He makes some have hard hearts if He wants to.
فَاللهُ يَرحَمُ مَنْ يَختارُ أنْ يَرحَمَهُ، وَيُقَسِّي مَنْ يَختارُ أنْ يُقَسِّيَ قَلبَهُ.