images-1Ronnie Floyd writes the following in The Power of Prayer and Fasting.

Humility in the presence of His power is what God demands of His children. Spiritual fasting is the means—the once-hidden, unexplored, misunderstood vehicle—by which we humble ourselves before God.

Micah 6:8 speaks of God’s desire for our humility.  In Philippians 2:5-8, Paul instructs us to have the same attitude of Jesus, one of humility.

Prayer and fasting increase our humility because we discover a further dependence upon God.