What word describes what will determine fruitful work for the Lord?  Attitude.  Adopting the attitude of Christ is not something that comes easy to us.  Which is why Paul used the word adopt.  It may seem like a tall order, to adopt the attitude of Christ, but through Paul's letter we find 3 things that will be required of us to adopt that attitude.

Key Thought: Your attitude determines your altitude as a follower of Jesus.

Key Passage:
"Adopt the same attitude as that of Christ Jesus," Philippians 2:5