walking in the same way as He walked!
whole heart
They had their own passion for the Lord but without the accurate knowledge of the righteousness of God, they ended up not being able to correctly submit to God.
willing mind
When you focus on laws and logic, you become legalistic. When you become legalistic, you become religious. Your relationship with God moves from a relationship with God to a religion with laws.
the war in between
The heart can mislead when not connected to the mind and the mind can mislead when not connected to the heart.