كَانَ النَّبِيُّ صلى الله عليه وسلم إِذَا أَتَاهُ الْأَمْرُ يَسُرُّهُ قَالَ: ((الْحَمْدُ لِلَّهِ الَّذِي بِنِعْمَتِهِ تَتِمُّ الصَّالِحَاتُ)) وَإِذَا أَتَاهُ الْأَمْرُ يَكْرَهُهُ قَالَ: ((الْحَمْدُ لِلَّهِ عَلَى كُلِّ حَالٍ)).
Transliteration
When something happened that pleased him, the Prophet used to say:((Alhamdu lillaahil-lathee bini'matihi tatimmuus-saalihaat)).And if something happened that displeased him, he used to say:((Alhamdulillaahi 'alaa kulli haal)).
Translation
When something happened that pleased him, the Prophet used to say:((Alhamdu lillaahil-lathee bini'matihi tatimmuus-saalihaat)). Praise is to Allah Who by His blessings all good things are perfected. And if something happened that displeased him, he used to say:((Alhamdulillaahi 'alaa kulli haal)).Praise is to Allah in all circumstances.
Source
Hisnul Muslim (Fortress of the Muslim), No. 218 — chapter “What to say if something happens to please you or to displease 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