There are two kinds of incredulity, one that derives from science, and the other (far more common) from ignorance, and from not knowing how to see what is can be, from knowing only a few possibilities, etc., only a few truths and hence only a few probabilities, etc., from not knowing how far possibility extends. (612)
Leopardi, Giacomo, and Michael Caesar. Zibaldone. New York: Farrar, Straus and Giroux, 2013.