Commentaries:
Barnes' Notes
Have mercy upon me, O Lord - The cry for mercy implies that though God had interposed and granted them surprising deliverances, yet he was still surrounded by enemies, and was still in trouble. See introduction to the psalm, 2, 3. He had been delivered from many troubles, but there were many still pressing upon him, and he now calls on God to interpose further in his behalf, and to grant him entire deliverance from all his sorrows and dangers. The trouble to which he here refers was of the same kind as that adverted to in the former part of the psalm - that arising from the efforts of formidable enemies.
Consider my trouble - Do not forget this trouble; bear it in remembrance; look upon its character and its depth, and mercifully interpose to deliver me.
Which I suffer of them that hate me - Or, "see my suffering arising from those that hate me; or, which is produced by those who hate me." The design is to fix the attention on the greatness of that suffering as caused by his "haters" or by his enemies - the foes that were still unsubdued.
Thou that liftest me up from the gates of death - Thou on whom I rely to do this; or, who hast done it in times past. The idea by bars and walls; as entered by gates - the grave leading to it. See Introduction to Job, Section 7, and the notes at Job 10:21-22. The psalmist felt that he had come near to that dark and gloomy abode, and that God only could rescue him from it; therefore, in the trouble which now threatened his life, he looks to him to interfere and save him.
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