Dua When Leaving the Home

بِسْمِ اللَّهِ، تَوَكَّلْتُ عَلَى اللَّهِ، وَلَا حَوْلَ وَلَا قُوَّةَ إِلَّا بِاللَّهِ

Bismillaah, tawakkaltu 'alallaah, wa laa hawla wa laa quwwata illaa billaah.

In the name of Allah. I trust in Allah. There is no power and no strength except with Allah.

Source: Hadith — Sunan al-Tirmidhi