263. Dua after salat #6
اَللَّهُمَّ بِكَ أُحَاوِلُ وَبِكَ أُقَاتِلُ وَبِكَ أَصَاوِلُ
Allaahumma bika o-'haa-wilu wa bika o-qaatilu wa bika asaa-wil
Translation
Ya Allah! I try by your help, fight by your help, show courage by your help and be victorious by your help.
ReferenceSahih (Albani). Darimi: 2/217