((وَفِيكَ بَارَكَ اللَّهُ)).
Transliteration
(Aaishah reported that the Messenger of Allah was given a sheep and he ordered for it’s distribution. When the servant would come back (from distributing it), AAaishah would ask: ‘What did they say?’, he replied: They would supplicate: (Barakal-lahu feekum.) AAaishah would then say: (Wafeehim barakal-lah.))(we return their supplication in a similar way and our reward remains with us.)
Translation
(Aaishah reported that the Messenger of Allah was given a sheep and he ordered for it’s distribution. When the servant would come back (from distributing it), AAaishah would ask: ‘What did they say?’, he replied: They would supplicate: (May Allah bless you all.) AAaishah would then say: (and may Allah bless them.))(we return their supplication in a similar way and our reward remains with us.)
Source
Hisnul Muslim (Fortress of the Muslim), No. 204 — chapter “Invocation for someone who tells you: May Allah bless you”. hisnmuslim.com
Related Duas
((إِذَا عَطَسَ أَحَدُكُم فَلْيَقُلِ الْحَمْدُ لِلَّهِ، وَلْيَقُلْ لَهُ أَخُوهُ أَوْ صَاحِبُهُ: يَرْحَمُكَ اللَّهُ، فَإِذَا قَالَ لَهُ: يَرحَمُكَ اللَّهُ، فَلْيَقُلْ: يَهْدِيكُمُ اللَّهُ وَيُصْلِحُ بَالَكُمْ)).
(When one of you sneezes he should say:(All praise if for Allah.) and his brother or companion should say to him: (May Allah have mercy upon you.) and he (i.e. the one who sneezed) replies back to him:(May Allah guide yo…
Hisnul Muslim · No. 188
((يَهْدِيكُمُ اللَّهُ وَيُصْلِحُ بَالَكُمْ)).
(May Allah guide you and rectify your condition.)
Hisnul Muslim · No. 189
((أَعُوذُ بِاللَّهِ مِنَ الشَّيْطَانِ الرَّجِيمِ)).
(I take refuge with Allah from the accursed devil.)
Hisnul Muslim · No. 193