Unintelligible Evidences

The evidences that we usually think of presenting to the unbeliever are not truly evidential of scriptural veracity unless they are interpreted by proper presuppositions [i.e. the system of scriptural truth]. Without those presuppositions, these things are not intelligible as evidences of anything.

Greg Bahnsen, Van Til’s Apologetic (P&R, 1998), p218n.129