[Tertullian] proclaimed: “We want no curious disputation after possessing Christ Jesus, no inquisition after enjoying the gospel! With our faith, we desire no further belief.”

In the 20th century, the German phenomenologist Martin Heidegger concurred, saying that a rational faith would be like a “wooden iron”, ie a contradiction in terms. There can be, for Tertullian and Heidegger, no reasoning about faith. Or, as Kierkegaard put it, faith involves a leap beyond reason. Abraham’s willingness to sacrifice his son, Isaac, is, on the human face of it, completely irrational, even pathological, yet it represents the supreme act of religious faith.

¶ 3:37 PM