Muhammad bin Ishaq recorded a Hadith of Umm Salamah in his Sirah, and Ahmad bin Hanbal recorded from Ibn Mas`ud, the story of the Hijrah (migration) to Ethiopia from Makkah. The narration mentions that Ja`far bin Abi Talib recited the first part of this Surah to An-Najashi and his companions.

The Story of Zakariyya and His Supplication for a Son The discussion about the separate letters has already preceded at the beginning ofSurat Al-Baqarah.

Concerning Allah's statement,

نِدَاءً خَفِيًّا (a low voice - 19:3) tells us that it is better to beseech Allah in supplication in undertone. Sayyidna Sa'd Ibn Abi Waqqas has narrated that the Holy Prophet ﷺ once said.

ان خیر الذکر الخفی ، وخیر الرزق ما یکفی