Sanskrit:  तद्भूतस्य तु नतद्भावो जैमिनेरपिनियमातद्रूपाऽभावेभ्यः  .  
English:  But for one who has become so, there can be no reversion from it, on account of restriction, absence of text sanctioning reversion and absence of good precedence. This is the view of Jaimini as well.