A discussion of skepticism, logic, math, intelligent design creationism, board games, the Utah Jazz, marriage, having a oldest child with PDD-NOS along with a middle daughter with ADHD and three other children, being a DBA, teaching, the St. Louis metro area, and anything else that comes to mind.
With formal systems, such as mathematics, you can have certainty and demonstrability, but not reality.
With science, such as physics, you can have reality and demonstrability, but not certainty.
With belief systems, such as Christianity, you can have reality and certainty, but not demonstrability.
After the great example of St. Thomas, the principle stands, or ought always to have stood established; that we must either not argue with a man at all, or we must argue on his grounds and not ours. We may do other things instead of arguing, according to our views of what actions are morally permissible; but if we argue we must argue "On the reasons and statements of the philosophers themselves."