If you don't believe in evolution / the scientific understandings of the beginnings of the universe then the only reasonable explanations as to why your computer and so on works are that its witchcraft and wizardry. (religion.blogs.cnn.com)
The greatest minds in the history of Western Civilization, from Plato and Aristotle to Augustine, St. Thomas Aquinas, Kepler, Galileo, Newton, and Boyle, all believed that the argument from design was the only reasonable explanation for adaptations in animals and plants. (firstthings.com)
The only reasonable explanation is that they inherited it from a common ancestor. (religion.blogs.cnn.com)