John to the seven churches which are in Asia: Grace be unto you, and peace, from him who is, and who was, and who is to come; and from the seven Spirits who are before his throne;
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Paul of Bush
AD 1300
the seven spirits. these are the hierarchical orders of the Church, and the seven churches are the great cities and their regions, on account of the congregations of the faithful who are there, for every congregation is called a church.