The Prophet (ﷺ) used to say:

اَللَّهُمَّ إِنِّي أَسْأَلُكَ الْهُدَى، وَالتُّقَى، وَالْعَفَافَ، وَالْغِنَى

Allaahumma, inni as'alukal-hudaa wat- tuqaa wal-'afaafa wal-ghinaa

O Allah. I beg of Thee the right guidance, safeguard against evils, chastity and freedom from want.

Reference: Muslim: 2721