W.E Vine's greatest contribution to the Church of God was his Expository Dictionary of New Testament Words. W. E. Vine has put all English-speaking Bible students in his debt. The English reader with little or no knowledge of Greek has, of course, concordances and lexicons. These provide a skeleton: Vine clothes it with the flesh and sinews of living exposition, and in so doing makes available for the ordinary reader the expert knowledge contained in the more advanced works. In a preface to the dictionary, W. E. Vine wrote: "In any work in which we engage as servants of Christ, His word ever applies, 'When ye shall have done all those things that are commanded you, say, We are unprofitable servants; we have done that which was our duty to do.