Umm Salamah (RA) said, whenever Rasul (ﷺ) went outside my home he recite these words looking at the sky-

اَللَّـهُمَّ إِنِّي أَعُوْذُ بِكَ أَنْ أَضِلَّ، أَوْ أُضَلَّ، أَوْ أَزِلَّ، أَوْ أُزَلَّ، أَوْ أَظْلِمَ، أَوْ أُظْلَمَ، أَوْ أَجْهَلَ، أَوْ يُجْهَلَ عَلَيَّ

Allaahumma innee a‛oodhu bika an adilla aw udalla, aw azilla aw uzalla, aw azlima aw uzlama, aw adhala aw yudhala ‛alayya

O Allah, I seek refuge with You lest I should stray or be led astray, or slip (i.e. to commit a sin unintentionally) or be tripped, or oppress or be oppressed, or behave foolishly or be treated foolishly.

Reference: Sahih (Albani). Abu Dawud: 5094