These then are the reasons on account of which they who have committed unintentional homicide fly only to those cities which belong to the ministers of the temple. We must now proceed to mention what these cities are, and why they are six in number. Perhaps we may say that the most ancient, and the strongest, and the most excellent metropolis, for I may not call it merely a city, is the divine word, to flee to which first is the most advantageous course of all. But the other five, being as it were colonies of that one, are the powers of Him who utters the word, the chief of which is his creative power, according to which the Creator made the world with a

 Exodus xxi. 31. 
 
word; the second is his kingly power, according to which he who has created rules over what is created; the third is his merciful power, in respect of which the Creator pities and shows mercy towards his own work; the fourth is his legislative power, by which he forbids what may not be done. ....
 
And these are very beautiful and most excellently fenced cities, the best possible refuge for souls which are worthy to be saved for ever; and the establishment of them is merciful and humane, calculated to excite men, to aid and to encourage them in good hopes. Who else could more greatly display the exceeding abundance of his mercy, of all the powers which are able to benefit us, towards such an exceeding variety of persons who err by unintentional misdeeds, and who have neither the same strength nor the same weakness?