After the assumption of office as the Caliph, Umar addressed the Muslims who had assembled in the Prophet's mosque. In the course of the address, Umar said:
"O ye faithful! Abu Bakr is no more amongst us. After having led us for about two years, he has returned to His Maker. He has the satisfaction that he has successfully piloted the ship of the Muslim state to safety after negotiating the stormy sea. He successfully waged the apostasy wars, and thanks to him, Islam is now supreme in Arabia. Islam is now on the move and we are carrying Jihad in the name of Allah against the mighty empires of Byzantine and Persia.
After Abu Bakr, the mantle of Khilafat has fallen on my shoulders. I swear it before God that I never coveted this office. I wished that it would have devolved on some other person more worthy than me. But now that in national interest, the responsibility for leading the Muslims has come to vest in me, I assure you that I will not run away from my post, and will make an earnest effort to discharge the onerous duties of the office to the best of my capacity in accordance with the injunctions of Islam.
In the performance of my duties, I will seek guidance from the Holy Book, and will follow the examples set by the Holy Prophet and Abu Bakr. In this task I seek your assistance. If I follow the right path, follow me. If I deviate from the right path, correct me so that we are not led astray.
Now brothers I offer a few prayers and you say Amen to them.
O Allah I am hard, make me soft to promote the Truth, to comply with your injunctions and to aspire to a better life in the world hereafter.
O Allah make me hard for the enemies of Islam and for those who create mischief so that their desigus against Allah come to naught.
O Allah I am miser; make me generous in the promotion of the good.
O Allah save me from hypocrisy. Strengthen my resolves so that whatever I do, I do for the sake of winning Your approbation.
O Allah soften my heart for the faithful so that I attend to their needs with a sense of dedication.
O Allah, I am careless, make me responsible enough so that I do not lose sight of You.
O Allah I am weak in offering my obedience to You; make me active and fortify my faith.
O Allah bestow on me faith, and the power to do good.
O Allah give me the power of self-criticism and self assessment.
O Allah bestow on me the insight into the meaning of the Quran and the strength to act in accordance with what the Quran says.
O Allah You are capable of doing anything: bless us with Your favour. Amen."