The contrast is implied with the living vocal spirit, which dwells and works in Christ's people, and responds to their prayers.
Even as ye were led (ὡς ἂν ἢγεσθε)
Rev., howsoever ye might be led. Better, Ellicott: “As from time to time ye might be led. The imperfect tense with the indefinite particle signifies habitually, whenever the occasion might arise. Compare Greek of Mar 6:56. “Now the fatal storm carried the blinded gentile, with a whole procession, to the temple of Jupiter; again it was to the altars of Mars or Venus, always to give them over to one or other of their deified passions” (Godet).