Verily, those who swore allegiance to Abu Bakr, `Umar and `Uthman have sworn allegiance 1 to me on the same basis on which they swore allegiance to them. (On this basis) he who was present has no choice (to consider), and he who was absent has no right to reject; and consultation is confined to the muhajirun and the ansar. If they agree on an individual and take him to be Caliph it will be deemed to mean Allah's pleasure.
If any one keeps away by way of objection or innovation they will return him to the position from where he kept away. If he refuses they will fight him for following a course other than that of the believers and Allah will put him back from where he had run away. 
By my life, O Mu'awiyah, if you see with your intellect without any passion you will find me the most innocent of all in respect of `Uthman's blood and you will surely know that I was in seclusion from him, unless you conceal what is quite open to you (and accuse me of a crime I have not committed). Then you may commit any outrage (on me) as you wish and that is an end to the matter.