The most comprehensive dua

رَبَّنَا آتِنَا فِي الدُّنْيَا حَسَنَةً وَفِي الْآخِرَةِ حَسَنَةً وَقِنَا عَذَابَ النَّارِ

Rabbana atina fid-dunya hasanah, wa fil-akhirati hasanah, 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.”

— Quran 2:201; Sahih al-Bukhari 6389