This commentary on article #19 of Gottfried Wilhelm Leibniz\u27s Discourse on Metaphysics is for the purpose of promoting the understanding of Leibniz on the role of teleology in physics. Understanding Leibniz on final causes is crucial to understanding his overall natural philosophy. If one approaches Leibniz with a bias regarding either final causes or protestant Christian theology, such that they ignore these aspects of Leibniz, such a person is in danger of completly misunderstanding this philosopher. Leibniz is a mix of natural philosophy, mechanical physics, and protestant Christian theology. The rationale behind this study is to cause the student of philosophy to consider a somewhat ignored side of Leibniz which stems from his c...