The unity of believers is likened to a cord woven together. Like a threefold cord, unified believers are stronger and better able to endure the attacks from their enemies (Ecclesiastes 4:12). In Proverbs 6:16-19, the Lord gives a list of things He hates, one of which is when a man sows “discord among brethren.” What does it mean to sow “discord”? Perhaps the illustration given above sheds the necessary light for an answer. When believers are united, they are like multiple cords woven together. When someone sows discord, he attempts to undo or “discord” the threefold cord destroying the unity. Believers void of unity are weaker and more vulnerable to the attacks of the enemy.
Fasting, similar to other actions in life, has specific purposes and appointed times. The Bible offers various reasons why people might fast: an immediate need in prayer (2 Samuel 12:16), a need to loosen the bands of wickedness or undo heavy burdens (Isaiah 58:6), during times of elevated conflict or duty in service (Matthew 17:21; Acts 13:3), as a symbol of mourning (2 Samuel 1:12), and as an outward manifestation of true repentance (Jonah 3:5). This list is not exhaustive, but simply demonstrates that God’s people have many good reasons for fasting. Even if none of these circumstances surfaces in our lives, we should fast because we know that the Lord expects us to do so.