Full Idea
To be possible is just to be one of the many manifestations of some power, and to be impossible is to be a manifestation of no power.
Gist of Idea
Possibilities are manifestations of some power, and impossibilies rest on no powers
Source
Jonathan D. Jacobs (A Powers Theory of Modality [2010], §4.2.1)
Book Reference
-: 'Philosophical Studies' [-], p.14
A Reaction
[This remark occurs in a discussion of theistic Aristotelianism] I like this. If we say that something is possible, the correct question is to ask what power could bring it about.