The document outlines William Paley's teleological argument for the existence of God. Paley makes two main arguments: 1) Design qua purpose - The universe functions like a machine with different parts working together for a specific function, implying an intelligent designer like a watch implies a watchmaker. 2) Design qua regularity - The order, laws, and regularity seen in the universe and structures like the human body imply intelligent design and a designer, similar to a formal garden implying a gardener. However, critics like Hume and Laplace argue this does not prove the Christian God and is a "God of the gaps" argument. Later scientific explanations like evolution further weakened the design argument