The unity of the Spirit; either unity of mind, or spiritual unity, as being wrought by the Spirit, and then he means that unity he spoke of, Ephesians 2:14-16, and Ephesians 3:6, whereby is intended the mystical body of Christ. In the bond of peace; i.e. in peace as the bond which keeps the members or parts of the church together, which by dissensions are dissipated and scattered. The first step to this unity is humility, for where that is not, there will be no meekness nor forbearance, without which unity cannot be maintained.
Related Commentaries of Ephesians 4:3
Ephesians 4:3
3 Endeavouring to keep the unity of the Spirit in the bond of peace.