Principle, beyond which you could not get. I am not saying whether your reasoning, or your First Principle, was true or false; that is quite another matter; I am but illustrating what is meant by a First Principle, and how it is that all reasoning ultimately rests upon such. It would be your First Principle, in the case supposed, a principle for which no reason could be given, that the bad angels are to be avoided; thence it would follow that what is like them is to be avoided; and from that again,