In a difficulty or in joy, a believer has a word to say. These are short, powerful and from the Qur'an and the Sunnah.
نص قرآني / حديث شريفThe great dua for this life and the next ربنا آتنا في الدنيا حسنة وفي الآخرة حسنة وقنا عذاب النار Rabbana atina fid-dunya hasanatan wa fil-akhirati hasanatan wa qina 'adhaban-nar "Our Lord, give us good in this world and good in the hereafter, and protect us from the punishment of the Fire" (Qur'an 2:201, Bukhari 4522)
نص قرآني / حديث شريفWhen facing a hardship حسبنا الله ونعم الوكيل Hasbunallahu wa ni'mal-wakil "Allah is enough for us and He is the best Disposer of affairs" (Qur'an 3:173, Bukhari 4563)
نص قرآني / حديث شريفWhen a loss strikes إنا لله وإنا إليه راجعون Inna lillahi wa inna ilayhi raji'un "Indeed we belong to Allah and to Him we shall return" (Qur'an 2:156, Muslim 918)
نص قرآني / حديث شريفA treasure of Paradise لا حول ولا قوة إلا بالله La hawla wa la quwwata illa billah "There is no power and no strength except with Allah" (Bukhari 4205)
Keep one of these on your tongue in your hardest moment this week.