“What is the greatness of our God? What is His uniqueness in the world? Isaiah says, ‘From of old no one has heard or perceived by ear, no eye has seen a God besides you, who acts for those who wait for him’ (Isa. 64:4). All the other so-called gods make man work for them. Our God will not be put in the position of an employer who must depend on others to make his business go. Instead He magnifies His all-sufficiency by doing the work Himself. Man is the dependent partner in this affair. His job is to wait for the Lord.
What is God looking for in the world? Assistants? No. The gospel is not a help-wanted ad. It is a help-available ad. Nor is the call to Christian service a help-wanted ad. God is not looking for people to work for Him but people who let Him work mightily in and through them: ‘The eyes of the Lord run to and fro throughout the whole earth, to give strong support to those whose heart is blameless toward him’ (2 Chron. 16:9). God is not a scout looking for the first draft choices to help His team win. He is an unstoppable fullback ready to take the ball and run touchdowns for anyone who trusts Him to win the game.” (John Piper in Brothers, We Are Not Professionals)