The essay discusses Darwinism and religion. It begins by introducing a friend of the author who was influential in both science and Christianity. It then examines the idea that science and religion are in conflict, arguing they do not necessarily contradict each other. The author presents a view of science and religion as "non-overlapping magisteria," meaning they each cover separate aspects of human understanding. In concluding, the essay advocates for respecting both science and religion as distinct and valuable domains that need not oppose one another.