What greater purpose?

"What can be wiser then in the highest snatch a soul from the gulf that yawns, to lift it up to the heaven that glorifies, to deliver an immortal from the thralldom of Satan, and to bring him into the liberty of Christ?" Charles Spugeon

What greater purpose is there then to serve the God of the universe, then to be the ambassadors that He has already called us to be?

Acts 1:8 "But you shall receive power, after that the Holy Spirit is upon you: and you shall be witnesses to me both in Jerusalem, and in all Judea, and in all Samsria, and to the uttermost part of the earth."