God’s people “thrive on mutual assistance; God has given us one another as channels of his help and strength. Indeed, the apostle prayed ‘that you, having your roots and foundation in love, might have the strength to grasp together with all the saints how wide and long and high and deep Christ’s love is' (Ephesians 3:17–18, italics added). Getting a grip on the staggering limitlessness of Christ’s love for us is not something the believer does in blissful isolation. It can only be done/attempted 'together with all the saints'! The unity and fellowship of God’s people is not a wimpy idea weaker Christians dote on. It is an essential condition for experiencing the strength of our God.”1
1 After the death of Joshua, the people of Israel inquired of the LORD, “Who shall go up first for us against the Canaanites, to fight against them?”