a more sure word of Prophecy

You shall be my witnesses in Jerusalem and in all Judea and Samaria and to the end of the earth. Acts 1:8, 

In the trust given to the first disciples, believers in every age have shared. Everyone who has received the gospel has been given sacred truth to impart to the world. God’s faithful people have always been aggressive missionaries, consecrating their resources to the honor of His name, and wisely using their talents in His service.... – {Mar 123.2}

The members of God’s church are to be zealous of good works, separating from worldly ambition, and walking in the footsteps of Him who went about doing good. With hearts filled with sympathy and compassion, they are to minister to those in need of help, bringing to sinners a knowledge of the Saviour’s love. Such work calls for laborious effort, but it brings a rich reward. Those who engage in it with sincerity of purpose will see souls won to the Saviour.... – {Mar 123.3}