اللّهُـمَّ إِنا نَجْـعَلُكَ في نُحـورِهِـم، وَنَعـوذُ بِكَ مِنْ شُرورِهـمْ
Allāhumma innā naj`aluka fī nuḥūrihim wa na`ūdhu bika min shurūrihim.
O Allah, we ask You to restrain them by their necks, and we seek refuge in You from their evil.
Abu Dawud 2/89, and Al-Hakim graded it authentic and Ath-Thahabi agreed 2/142.
اللّهُـمَّ أَنْتَ عَضُـدي، وَأَنْتَ نَصـيري، بِكَ أَجـولُ وَبِكَ أَصـولُ وَبِكَ أُقـاتِل
Allāhumma anta `aḍudī, wa anta naṣīrī, bika ajūlu, wa bika aṣūlu, wa bika uqātil.
O Allah, You are my strength and You are my support. For Your sake, I go forth and for Your sake, I advance and for Your sake, I fight.
Abu Dawud 3/42, At-Tirmidhi 5/572. See also Al-Albani, Sahih At-Tirmidhi 3/183.
حَسْبُـنا اللهُ وَنِعْـمَ الوَكـيل
Ḥasbunallāhu wa ni`mal-wakīl.
Allah is sufficient for us and the best of those on whom to depend.
Al-Bukhari, 5/172.