Quote Against Private Revelation/Charismatic ways

...if their ‘private revelations’ agree with Scripture, they are needless, and if they disagree, they are false. ~ J. I. Packer attributing to John Owen, in Packer's book "A Quest for Godliness Chapter 5 - John Owen on Communication from God.

Of course, Packer/Owen was referring to the Quakers with their private revelations.