Go, set a watchman - This was said to Isaiah in the vision. He represents himself as in Babylon, and as hearing God command him to set a watchman on the watch-tower who would announce what was to come to pass. All this is designed merely to bring the manner of the destruction of the city more vividly before the eye.
It is to the honor of Christ that He makes His ministers a greater blessing to the church, through the working of the Holy Spirit, than are the stars to the world. The Saviour is to be their efficiency. If they will look to Him as He looked to His Father, they will do His works. As they make God their dependence, He will give them His brightness to reflect to the world. GW 14.1
Christ's ministers are the spiritual guardians of the people entrusted to their care. Their work has been likened to that of watchmen. In ancient times, sentinels were often stationed on the walls of cities, where, from points of vantage, they could overlook important points to be guarded, and give warning of the approach of an enemy. Upon their faithfulness depended the safety of all within. At stated intervals they were required to call to one another, to make sure that all were awake, and that no harm had befallen any. The cry of good cheer or of warning was borne from one to another, each repeating the call till it echoed round the city. GW 14.2
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