The pursuit of truth is often thought to be “intrinsically” valuable. Scientists and philosophers, who eschew religious rationales for their life’s work, take the pursuit of truth to be obviously a worthwhile enterprise. But what’s so great about truth? Sure, it’s good to know what’s for lunch, or the nature of the disease that plagues you, but is there any intrinsic or instrumental value in knowing how far away the farthest stars are? Or whether Milton’s greatest works were written while he had a headache? Or what the next layer of basic particles are like? Truth telling on Philosophy Talk with Simon Blackburn, author of Truth: A Guide.