David in Psalm 22 foretells the Lord's word's and sufferings on the cross, some 1000 years before the events took place.--What the Lord has done at Calvary, is to be declared by believers to the end of the world. The Lord providing for himself witnesses of his finished work, and the effect in their lives.-Every believer is to declare this, but especially is promised a succession of preachers and hearers, to the honour and glory of God.--The subject is divided under 3 headings--1- They shall come and declare-2- Their message-3- Their hearers