... so the Catholic Church's claim to be the one true Church, the Church Christ founded, forces us to say either that this is the most arrogant, blasphemous and wicked claim imaginable, if it is not true, or else that she is just what she claims to be."

According to Kreeft's personal account, his conversion to Catholic Christianity was influenced by, among other things, Gothic architecture and Thomistic philosophy, the writings of St. John of the Cross,