John Gills Exposition of the Bible Commentary - Psalms 57:10
For thy mercy is great unto the heavens ,.... Which denotes the exceeding greatness and largeness of it; as it is in the heart of God, who is plenteous in mercy; as it is expressed in the covenant of grace, where are stores of it; as it is shown forth in the choice of persons to eternal life; in the mission of Christ into this world to die for them; in the regeneration of them, the pardon of their sins, and eternal life: and this mercy is not only extended to persons in the several parts... read more
Matthew Henry's Complete Commentary - Psalms 57:7-11
How strangely is the tune altered here! David's prayers and complaints, by the lively actings of faith, are here, all of a sudden, turned into praises and thanksgivings; his sackcloth is loosed, he is girded with gladness, and his hallelujahs are as fervent as his hosannas. This should make us in love with prayer, that, sooner or later, it will be swallowed up in praise. Observe, I. How he prepares himself for the duty of praise (Ps. 57:7): My heart is fixed, O God! my heart is fixed. My heart... read more