And this necessity is obviously sufficient to make me conclude correctly, once I have recognized that existence is a perfection, that a first and supreme being exists. In the same way, it is not necessary that I ever imagine any triangle, but every time I wish to consider a rectilinear figure with only three angles, I have to attribute to it those [properties] from which I correctly infer that its three angles are no greater than two right angles, although at that time I may not notice this.