Full Idea
That God is the very nature or substance of all things is the sort of doctrine of ill repute which a recent writer, subtle indeed, though profane, either introduced to the world or revived.
Gist of Idea
That God is the substance of all things is an ill-reputed doctrine
Source
comment on Baruch de Spinoza (The Ethics [1675], I) by Gottfried Leibniz - On Nature Itself (De Ipsa Natura) §08
Book Reference
Leibniz,Gottfried: 'Philosophical Essays', ed/tr. Arlew,R /Garber,D [Hackett 1989], p.160
A Reaction
This is clearly a comment on Spinoza. Leibniz seems to have spent his whole life in shock after his meeting with Spinoza.