God's causality as creator does not act upon creatures or force them to do things, but rather creates them in their doings, so that they behave freely.
A useful analogy that may be drawn here is to the relationship between the author of a story, and the characters within it. The author does not enter into the story herself, nor does she act upon the characters in such a way as to force them to do the things they do. Rather, she creates them in their doings, so that they are able to behave freely in the world of the novel. On the traditional account, God’s relation to his creatures is similar. As creator, he is the “first cause” of us and of our actions, but his causality works in such a way that we are not acted upon, and so are able to exerc...