And do not grieve the Holy Spirit of God, in whom you were sealed for the day of redemption.
30. And grieve not. As the Holy Spirit dwells in us, to him every part of our soul and of our body ought to be devoted. But if we give ourselves up to aught that is impure, we may be said to drive him away from making his abode with us; and, to express this still more familiarly, human affections, such as joy and grief...
The apostle having gone through his exhortation to mutual love, unity, and concord, in the foregoing verses, there follows in these an exhortation to Christian purity and holiness of heart and life, and that both more general (Eph 4:17-24) and in several particular instances, Eph 4:25-32.
Commenting on Ephesians 4:17-32
Verse 30. And grieve not the holy Spirit of God. This is addressed to Christians, and it proves that it is possible for them to grieve the Holy Spirit. The word here used--λυπειτε, means, properly, to afflict with sorrow; to make sad or sorrowful. It is rendered, to make sorry, or sorrowful, . It is rendered grieved, ; and once, "in heaviness," .