Narrated Abdullah:
We have been powerful since 'Umar embraced Islam.
Vol: 005 Book: 057 Hadith: 033
A Selected Hadith
Narrated Jabir:
Once I returned from a journey and the Prophet said (to me) "Offer two Rakat." (Sirar is a place near Medina).
Vol: 004 Book: 052 Hadith: 323
A Selected Dua
O Allah, I am Your slave and the son of Your male slave and the son of your female slave. My forehead is in Your Hand (i.e. you have control over me). Your Judgment upon me is assured and Your Decree concerning me is...
-> Read More Info: Ahmad 1/391, and Al-Albani graded it authentic.