اللَّهُ اللَّهُ رَبِّي لَا أُشْرِكُ بِهِ شَيْئًا
Allahu Allahu Rabbi la ushriku bihi shay'a
Allah, Allah is my Lord. I do not associate anything with Him.
Said during times of calamity and distress. The repetition of "Allah, Allah" is not filler — it is a desperate call, like calling someone's name twice when you urgently need them. Then the reaffirmation of tawhid: "I do not associate anything with Him." In moments of crisis, people turn to all kinds of false hopes — superstition, astrology, desperation deals with the wrong people. This du'a refocuses you on the only One who can actually help.
Related Du'as
اللَّهُمَّ رَحْمَتَكَ أَرْجُو فَلَا تَكِلْنِي إِلَى نَفْسِي طَرْفَةَ عَيْنٍ وَأَصْلِحْ لِي شَأْنِي كُلَّهُ لَا إِلَٰهَ إِلَّا أَنْتَ
O Allah, it is Your mercy that I hope for, so do not leave me to myself even for the blink of an eye, and set right all of my affairs. There is no deity except You.
Hasanلَا إِلَٰهَ إِلَّا أَنتَ سُبْحَانَكَ إِنِّي كُنتُ مِنَ الظَّالِمِينَ
There is no deity except You; exalted are You. Indeed, I have been of the wrongdoers.
Sahihحَسْبُنَا اللَّهُ وَنِعْمَ الْوَكِيلُ
Allah is sufficient for us, and He is the best Disposer of affairs.
Sahihاللَّهُمَّ لَا سَهْلَ إِلَّا مَا جَعَلْتَهُ سَهْلًا وَأَنْتَ تَجْعَلُ الْحَزْنَ إِذَا شِئْتَ سَهْلًا
O Allah, nothing is easy except what You make easy, and You can make difficulty easy if You wish.
Sahih