In Will's second interview with David Pallmann, they get into philosophy and specifically epistemology, the study of knowledge and truth. They discuss how we can know truth, and by what mechanisms do we determine what is true. They discuss the differences between internalism and externalism. This is an important deep dive that will help as you interact with other Christians with different ideas, but as well with non-Christians. Put your thinking caps on for this and determine your own methods for determining what is true!