As a father is compassionate towards his children, The Psalmist not only explains by a comparison what he has already stated, but he at the same time assigns the cause why God so graciously forgives us, which is, because he is a father It is then in consequence of God's having freely and sovereignly adopted us as his children that he continually pardons our sins, and accordingly we are to draw from that fountain the hope of forgiveness. And as no man has been adopted on the ground of his own merit, it follows that sins are freely pardoned. God is compared to earthly fathers, not because he is in every respect like them, but because there is no earthly image by which his unparalleled love towards us can be better expressed. That God's fatherly goodness may not be perverted as an encouragement to sin, David again repeats that God is thus favorable only to those who are his sincere worshippers. It is indeed a proof of no ordinary forbearance for God to "make his sun to rise on the evil and on the good," (Matthew 5:45;) but the subject here treated is the free imputation of the righteousness by which we are accounted the children of God. Now this righteousness is offered only to those who entirely devote themselves to so bountiful a Father, and reverently submit to his word. But as our attainments in godliness in this world, whatever they may be, come far short of perfection, there remains only one pillar on which our salvation can securely rest, and that is the goodness of God.

Like as a father pitieth his children - Hebrew, "Like the compassion of a father for his children." See the notes at Matthew 7:7-11. God often compares himself with a father, and it is by carrying out our ideas of what enters into the parental character that we get our best conceptions of the character of God. See the notes at Matthew 6:9. That which is referred to here, is the natural affection of the parent for the child; the tender love which is borne by the parent for his offspring; the disposition to care for its needs; the readiness to forgive when an offence has been committed. Compare Luke 15:22-24. Such, in an infinitely higher degree, is the compassion - the kindness - which God has for those that love him.
So the Lord pitieth them that fear him - He has compassion on them. He exercises toward them the paternal feeling.

Like as a father pitieth his children - This is a very emphatic verse, and may be thus translated: "As the tender compassions of a father towards his children; so the tender compassicns of Jehovah towards them that fear him." Nothing can place the tenderness and concern of God for his creatures in a stronger light than this. What yearnings of bowels does a father feel toward the disobedient child, who, sensible of his ingratitude and disobedience, falls at his parent's feet, covered with confusion and melted into tears, with, "Father, I have sinned against heaven, and before thee, and am not worthy to be called thy son!" The same in kind, but infinitely more exquisite, does God feel when the penitent falls at his feet, and implores his mercy through Christ crucified.

Like as a father pitieth his children,.... When in any affliction, disorder, or distress: the Lord stands in the relation of a Father to his people; they are his children by adopting grace, through the covenant of grace with them; by a sovereign act of his own will he puts them among the children, predestinates them to the adoption of children; and sends his Son to redeem them, that they might receive it, and his Spirit to bear witness to their spirits, that they are his children; and towards these he has all the affections of a tender parent.
So the Lord pitieth them that fear him; not with a servile fear, which is unsuitable to the relation of children; but with reverence and godly fear, with a fear of him and his goodness, and on account of that; a filial fear, such a reverence as children should have of a father: and this character belongs to all the saints of all nations, Jews or Gentiles; and seems to be here given an purpose to include all; and that the divine pity and compassion might not be thought to be restrained to any particular nation. And, as the fruit of his tender mercy, he looks upon his children in their lost estate, and brings them out of it; he succours them under all their temptations; he sympathizes with them under all their afflictions: being full of compassion, he forgives their iniquities; and in the most tender manner receives them when they have backslidden, and heals their backslidings. The Targum in the king of Spain's Bible is,
"so the Word of the Lord pities,''
&c. See Hebrews 4:15.

pitieth--literally, "has compassion on."