Mental Prayer, a Natural and Easy Exercise by Father Albert Kallio, O.P.
It is natural for friends to speak familiarly to one another. This principle holds true in the spiritual life as well, for God hardly ever speaks to a soul who does not speak to Him, and who consequently could hardly hear His voice.
Taken from Fr. Kallio’s presentation, “Mental Prayer and the Five First Saturdays” which can be viewed in its entirety here: