A practicall commentary, or an exposition with observations, reasons, and vses upon the first Epistle generall of John by ... John Cotton ...
Cotton, John, 1584-1652., R. D. 1608-1669., Scott, Chr. fl. 1655.

Doct. 1. A man that knows Christ, may, and ought to come to know that he doth know him, or hath fellowship and communion with him.