“…Persuasion, according to Bembo, was encouraged by an occult force of the words, a power caused by the natural properties of them (Bembo 1961). Ignatius of Loyola could have thought something similar about the power of sounds to persuade (Filippi 2015): meant to be read out loud, the fifth of his Spiritual Exercises encouraged Counter-Reformation Catholics to meditate about Hell by "hearing wailings, howlings, cries of sinners" to get an "interior sense of the pain which the damned suffer" (Schwartz 2011). "Nihil est sine numero sonoro, " Luther dixit (1965).…”