It is customary in Islam that each time the name of Allah, the prophet Muhammad, prophets, or imams (descendants and successors of prophet Muhammad) are enunciated, the following phrases are mentioned.
Allah- “Sabhanna wa-ta’alah.” Written abbreviations – SwT.
Prophet Muhammad- “Peace be upon him and his family.” Written abbreviations- pbuh&hf.
After the names of prophets and imams from the family of the Holy Prophet- “Peace be upon him/her.” Written abbreviations- pbuh.
With all due respect, admiration, acknowledgment, and praise we have omitted the mentioned phrases for the sake of continuity and have stated them in the beginning:
In the name of Allah, the most Merciful, the most Compassionate:
Peace be upon him and his family.
Peace be upon the prophets.
Peace be upon the imams.