"Indeed you can.  It is not always a simple thing--as you know, those formulae are complex.  Each is a separate spell, and to fully prepare them takes a great deal of time.  But know you know why you were taught these things."<br/><br/>She frowns slightly.<br/><br/>"Mother does not think it wise to have only a single specialist in any given area.  And now, we shall part ways."