Nicene and Post-Nicene Fathers: Series I/Volume IV/Donatist Controversy/Answer to the Letters of Petilian, the Donatist/Book II/Chapter 66
Chapter 66.—147. Petilianus said: "‘Blessed are they which do hunger and thirst after righteousness: for they shall be filled.’ To you it seems to be righteousness that you thirst after our blood."
148. Augustin answered: What shall I say unto thee, O man, except that thou art calumnious? The unity of Christ, indeed, is hungering and thirsting after all of you; and I would that it might swallow you up, for then would you be no longer heretics.