Assurance

Wesley's doctrine of assurance rests on a distinction between two witnesses that work together but are not identical. The direct witness of the Spirit is an inward impression on the soul, immediate rather than reasoned, by which God's Spirit testifies to the believer's spirit that they are a child of God. Wesley treated this as a form of spiritual perception, not a conclusion argued to but a conviction given. The indirect witness is different in kind: it is the believer's own inference, reasoned from the fruit of the Spirit visible in a changed life, the love, joy and peace that Galatians calls the fruit of the Spirit, read as evidence that the direct witness was genuine and not self-deception.

Wesley needed both, because the direct witness alone was vulnerable to enthusiasm, a private feeling mistaken for God's voice, while the indirect witness alone reduced assurance to self-examination and moral bookkeeping, the very thing he had tried and found wanting before Aldersgate. Holding the two together let him teach that assurance was normal, available to any believer who sought it, without making it either purely subjective or purely a matter of works checked off a list. He preached two sermons on the subject, both called The Witness of the Spirit, revising his own earlier account of how the two witnesses relate once he judged his first attempt too easily read as placing the indirect witness first.

Assurance entered Methodist theology through Wesley's own experience of its absence. He had been an ordained clergyman, a missionary to Georgia and a disciplined keeper of religious rules for years before the evening of 24 May 1738, when he attended a meeting in Aldersgate Street, London, and heard a reading of Martin Luther's preface to Romans. By his own account his heart was strangely warmed, he felt he did trust in Christ alone for salvation, and an assurance was given him that Christ had taken away his sins. Before that evening he had kept the outward discipline of religion without the inward confidence Methodist preaching would later insist every believer could have.

That personal history is why assurance became a working expectation rather than a private curiosity in early Methodist practice. Class meetings asked members to describe their spiritual state in language shaped by the doctrine, and lacking assurance was treated as a normal stage to be preached through rather than a permanent condition to be accepted. The doctrine also marked an edge between Methodism and the broader Reformed tradition it grew out of, since Calvinist accounts of assurance more often tied confidence to final perseverance, available in full only in retrospect, while Wesley's version offered a presently felt confidence that could, in his own teaching, coexist with the real possibility of falling away.