1 Peter 3:4

But let it be the hidden man of the heart, in that which is not corruptible, even the ornament of a meek and quiet spirit, which is in the sight of God of great price.

But - Rather. The 'outward adornment' of jewellery, etc., is forbidden, in so far as a woman loves such things, not in so far as she uses them from a sense of propriety. Singularity comes from pride, and throws needless hindrances to religion in the way of others. Under costly attire there may be a humble mind. 'Great is he who uses his earthenware as if it were plate; not less great is he who uses his silver as if it were earthenware' (Seneca).

Hidden - inner man, which the Christian instinctively hides from public view

Of the heart - consisting in the heart adorned by the Spirit. This 'inner man of the heart' is subject of the verb "be" (1 Peter 2:3): 'of whom let the hidden man be'-namely, the adornment.

In that - consisting in that as its element.

Not corruptible - transitory, not tainted with corruption, as earthly adornments.

Meek and quiet - meek [ heesuchiou (G2272)]; not creating disturbances; quiet [ praeoos (G4239)], bearing tranquilly the disturbances caused by others. Meek in feelings; quiet in words, countenance, actions (Bengel). In the sight of God - who looks to inward, not merely outward things.

Of great price - the results of redemption should correspond to its costly price (1 Peter 1:19).