When leaving the house
بِسْمِ اللَّهِ تَوَكَّلْتُ عَلَى اللَّهِ، وَلَا حَوْلَ وَلَا قُوَّةَ إِلَّا بِاللَّهِ
Bismillahi tawakkaltu 'alallah, wa la hawla wa la quwwata illa billah
In the name of Allah, I place my trust in Allah, and there is no might nor power except with Allah.
Source: Abu Dawud, Tirmidhi
Before eating
بِسْمِ اللَّهِ
Bismillah
In the name of Allah. (And if you forget, say: Bismillahi awwalahu wa akhirahu — in the name of Allah at its beginning and its end.)
Source: Abu Dawud, Tirmidhi
After eating
الْحَمْدُ لِلَّهِ الَّذِي أَطْعَمَنِي هَذَا وَرَزَقَنِيهِ مِنْ غَيْرِ حَوْلٍ مِنِّي وَلَا قُوَّةٍ
Alhamdu lillahil-ladhi at'amani hadha wa razaqanihi min ghayri hawlin minni wa la quwwah
All praise is for Allah who fed me this and provided it for me without any might or power on my part.
Source: Abu Dawud, Tirmidhi
Dua for travel
سُبْحَانَ الَّذِي سَخَّرَ لَنَا هَذَا وَمَا كُنَّا لَهُ مُقْرِنِينَ وَإِنَّا إِلَى رَبِّنَا لَمُنْقَلِبُونَ
Subhanal-ladhi sakhkhara lana hadha wa ma kunna lahu muqrinin, wa inna ila rabbina lamunqalibun
Glory be to Him who has subjected this to us, and we could never have it by our own efforts. Surely to our Lord we are returning.
Source: Qur'an 43:13-14; Muslim
Dua for beneficial knowledge
رَبِّ زِدْنِي عِلْمًا
Rabbi zidni 'ilma
My Lord, increase me in knowledge.
Source: Qur'an 20:114
Good in this world and the next
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.
Source: Qur'an 2:201