20 Haply say the wicked, I securely do evil, because the Eyes of the Lord are not upon me: God attends to the righteous, me He sees not, and whatever I do, I do securely. Immediately added the Holy Spirit, seeing the thoughts of men, and said, “But the Face of the Lord is against them that do evil; to cut off the remembrance of them from the earth”.
21. “The righteous cried, and the Lord heard them, and delivered them out of all their troubles”. Righteous were the Three Children; out of the furnace cried they unto the Lord, and in His praises their flames cooled. The flame could not approach nor hurt the innocent and righteous Children praising God, and He delivered them out of the fire. Some one says, Lo, truly righteous were those who were heard, as it is written, “The righteous cried, and the Lord heard them, and delivered them out of all their troubles:” but I have cried, and He delivers me not; either I am not righteous, or I do not the things which He commands me, or haply He sees me not. Fear not: only do what He commands; and if He deliver you not bodily, He will deliver you spiritually. For He who took out of the fire the Three Children, did He take out of the fire the Maccabees? Did not the first sing hymns in the flames, these last in the flames expire? The God of the Three Children, was not He the God also of the Maccabees? The one He delivered, the other He delivered not. Nay, He delivered both: but the Three Children He so delivered, that even the carnal were confounded; but the Maccabees therefore He delivered not so, that those who persecuted them should go into greater torments, while they thought that they had overcome God's Martyrs. He delivered Peter, when the Angel came unto him being in prison, and said, “Arise, and go forth,” and suddenly his chains were loosed, and he followed the Angel, and He delivered him. Had Peter lost righteousness when He delivered him not from the cross? Did He not deliver him then? Even then He delivered him. Did his long life make him unrighteous? Haply He heard him more at last than at first, when truly He delivered him out of all his troubles. For when He first delivered him, how many things did he suffer afterwards! For there He sent him at last, where he could have suffered no evil.
22. “The Lord is near unto them that have broken their heart; and saves such as be lowly in spirit”. God is High: let a Christian be lowly. If he would that the Most High God draw near unto him, let him be lowly. A great mystery, Brethren. God is above all: you raise yourself, and touchest not Him: you humble yourself, and He descends unto you. “Many are the troubles of the righteous”: does He say, Therefore let Christians be righteous, therefore let them hear My Word, that they may suffer no tribulation? He promises not this; but says, “Many are the troubles of the righteous.” Rather, if they be unrighteous they have fewer troubles, if righteous they have many. But after few tribulations, or none, these shall come to tribulation everlasting, whence they shall never be delivered: but the righteous after many tribulations shall come to peace everlasting, where they shall never suffer any evil. “Many are the tribulations of the righteous: but the Lord delivers him out of all.”
23. “The Lord keeps all their bones: not one of them shall be broken”: this also, Brethren, let us not receive carnally. Bones are the firm supports of the faithful. For as in flesh our bones give firmness, so in the heart of a Christian it is faith that gives firmness. The patience then which is in faith, is as the bones of the inner man: this is that which cannot be broken. “The Lord keeps all their bones: not one of them shall be broken.” If of our Lord God Jesus Christ he had said this, “The Lord keeps all the bones of His Son; not one of them shall be broken;” as is prefigured of Him also in another place, when the lamb was spoken of that should be slain, and it was said of it, “Neither shall you break a bone thereof:” then was it fulfilled in the Lord, because when He hung upon the Cross, He expired before they came to the Cross, and found His Body lifeless already, and would not break His legs, that it might be fulfilled which was written. But He gave this promise to other Christians also, “The Lord keeps all their bones; not one of them shall be broken.” Therefore, Brethren, if we see any Saint suffer tribulation, and haply either by a Physician so cut, or by some persecutor so mangled, that his bones be broken; let us not say, This man was not righteous, for this has the Lord promised to His righteous, of whom He said, “The Lord keeps all their bones; not one of them shall be broken.” Would you see that He spoke of other bones, those which we called the firm supports of faith, that is, patience and endurance in all tribulations? For these are the bones which are not broken. Hear, and see ye in the very Passion of our Lord, what I say. The Lord was in the middle Crucified; near Him were two thieves: the one mocked, the other believed: the one was condemned, the other justified: the one had his punishment both in this world, and that which shall be, but unto the other said the Lord, “Verily I say unto you, Today shall you be with Me in Paradise;” and yet those who came broke not the bones of the Lord, but of the thieves they broke: as much were broken the bones of the thief who blasphemed, as of the thief who believed. Where then is that which is spoken, “The Lord keeps all their bones; not one of them shall be broken”? Lo, unto whom He said, “Today shall you be with Me in Paradise,” could He keep all his bones? The Lord answers you: Yea, I kept them: for the firm support of his faith could not be broken by those blows whereby his legs were broken.
Source: The Enarrations, or Expositions, on the Psalms (New Advent)