Imam al-Baqir and Imam al-Sadiq (AS) said, ‘The heaviest thing to be placed on the scales on the Day of Resurrection is the invocation of blessings on Muhammad and his household (AS).
الإمامُ الباقرُ أو الإمامُ الصّادقُ (عَلَيهِم الّسَلامُ): أثقَلُ ما يُوضَعُ في المِيزانِ يَومَ القِيامَةِ الصَّلاةُ على محمّدٍ وعَلى أهلِ بَيتِهِ .
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Al-Kāfi #1721“On the balance there will be no other thing as heavy as asking from Allah al-Salat (favors) for the Holy Prophet and his family. A man will...