 The first passages that stress the lack of activity of bodies as well as their lack of ability to initiate movement emerge in the Search (OCM II 312–3/Search 448), soon after Malebranche’s first statement of his occasionalist thesis. In the Elucidations, mixed together with the claim that the “motor force of bodies is but the will of God,” we are presented with the following description of bodies as being “purely passive substances”: