PS 30 He praises God for delivering him, and exhorts others to praise him, ver. 1-5. Recollects his former security, and his prayer when in trouble, ver. 6-10. And stirs himself up to thankfulness, ver. 11, 12. A Psalm and song, at the dedication of the house of David. Title of the psalm. Song - A psalm to be sung with the voice to an instrument. David - At the dedication of David's house, which was built,

2 Sam. v, 11, and doubtless was dedicated, as God had commanded.

Verse 5. Cometh - Speedily and in due season.

Verse 7. Mountain - My kingdom: kingdoms are usually called mountains in prophetical writings.

Verse 9. Profit - What wilt thou gain by it? The dust - Shall they that are dead celebrate thy goodness in the land of the living? Or, shall my dust praise thee?

Verse 11. Sackcloth - Given me occasion to put off that sackcloth, which they used to wear in times of mourning, Esth iv, 1 chap. xxxv, 13 Isaiah xxxii, 11 Joel i, 13. Girded - With joy, as with a garment, surrounding me on every side.