To not just reach the lost, but also; to mentor existing saints into a higher spiritual maturity. To become devout disciples exhibiting the power of God: Mark 16:15, John 13:35, and Ephesians 3:20.

Matthew 5:13

Ye are the salt of the earth: but if the salt hath lost is savour, wherewith shall it be salted? It is thenceforth good for nothing, but to be cast out, and to be trodden under the foot of men.

To see many people shed their sin spots for the soon to be appearance of Jesus Christ in the clouds. (Acts 1:11) Isaiah 40:3 The voice of one crying in the wilderness. Prepare ye the way of the LORD, make straight in the desert a highway for our God.