AHMAD-ZUHD 1675:
from Ummah Asmāʾ b. ʿUmays —
“The Messenger of Allah ﷺ taught me some words to say at times of distress: Allah! Allahu Rabbi la ushriku bihi shay’an (Allah, Allah is my Lord, I do not associate anything with Him).” (Using translation from Ibn Mājah 3882)
الزهد لأحمد ١٦٧٥:
عن امه اسماء بن عميس —
عَلَّمَنِي رَسُولُ اللَّهِ ﷺ كَلِمَاتٍ أَقُولُهُنَّ عِنْدَ الْكَرْبِ «اللَّهُ رَبِّي لَا أُشْرِكُ بِهِ شَيْئًا»