I have also spoken] If we reade it (as some do) in the future tense, then it is a promise alluding to Chap. 2. 14. meaning, I will amply manifest my self to your posteritie by my Apostles and Ministers of the Gospell. See Joel 2. 28.
used similitudes] Grave sentences and doctrines, illustrated with similitudes, according to the holy Ghosts style.
by the ministerie] Heb. by the hand.