Christian Thinking
Why am I surprised?

A peculiar quality of the Christian mind is that, knowing the weakness of human nature, it expects conflict in the moral sphere. It assumes that the powers of evil will exploit every possible occasion for drawing men into mental confusion of blurred concepts and twisted values There is about the Christian mind a peculiar hardness—a refusal to be surprised at evil and depravity; an inability to be overcome by shock; an expectation that evil will be at large where God is not. Hence its cultivated suspiciousness of that which currently passes muster, in any powerful worldly circle, as the right thing. Hence, in the moral sphere, its zealous attention to the thin ends of wedges. It knows how evil grows.

Harry Blamires, The Christian Mind, How Should a Christian Think? (Ann Arbor, Mi: Servant Books, 1963), p. 102.