Once we acknowledge the risk/uncertainty distinction, it is natural to think that our default state is uncertainty. Getting to a position where we can legitimately treat a proposition as risky is a cognitive achievement. Traditional indifference principles fail because they trivialise this achievement.

Brian Weatherson, ‘Should We Respond to Evil with Indifference?’, Philosophy and Phenomenological Research, vol. 70, no. 3 (May, 2005), p. 624