Io. VViclefi viri undiquaque pijs. Dialogoru[m] libri q[ua]ttuor quoru[m] primus diuinitate[m]

A summation of Wycliffe's philosophy and doctrine set in the form of a discussion between three persons: Alithia (representing "solid theology" ), Phronesis (representing "subtle and mature theology"), and Pseustis (representing "captious infidelity"), whose function is to bring out the truth by arguing and demonstrating against it.