Full Idea
What I take to be the indivisible or complete monad is the substance endowed with primitive power, active and passive, like the 'I' or something similar.
Gist of Idea
A complete monad is a substance with primitive active and passive power
Source
Gottfried Leibniz (Letters to Burcher De Volder [1706], 1703.06.20)
Book Reference
Leibniz,Gottfried: 'Philosophical Essays', ed/tr. Arlew,R /Garber,D [Hackett 1989], p.176
A Reaction
I love powers, so I really like this quotation. By this date even Garber thinks that he has more or less arrived at his mature view of monads. I used to think monads were mad, but I now think he is closing in on the right answer - sort of.