Hear my voice, O God, in my prayer: preserve my life from fear of the enemy.
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Augustine of Hippo
2. Say we, therefore, ourselves also:" Hearken, O God, to my prayer, while I am troubled;from fear of the enemy deliver my soul" (ver. 1). Enemies have raged against the Martyrs: for what was that voice of Christ's Body praying? For this it was praying, to be delivered from enemies, and that enemies might not have power to slay them. Were they not therefore hearkened to, because they were slain; and hath God forsaken His servants of a contrite heart, and despised men hoping in Him? Far be it. For "who hath called upon God, and hath been forsaken; who hath hoped in Him, and hath been deserted by Him?" They were hearkened to therefore, and they were slain; and yet from enemies they were delivered. Others being afraid gave consent, and lived, and yet the same by enemies were swallowed up. The slain were delivered, the living were swallowed up. Thence is also that voice of thanksgiving, "Perchance alive they would have swallowed us up." Therefore for this prayeth the voice of the Martyrs, ...
1. Though chiefly the Lord's Passion is noticed in this Psalm, neither could the Martyrs have been strong, unless they had beheld Him, that first suffered; nor such things would they have endured in suffering, as He did, unless they had hoped for such things in the Resurrection as He had showed of Himself: but your Holiness knoweth that our Head is our Lord Jesus Christ, and that all that cleave unto Him are the members of Him the Head . ...And let no one say, that now-a-days in tribulation of passions we are not. For alway ye have heard this fact, how in those times the whole Church together as it were was smitten against, but now through individuals she is tried. Bound indeed is the devil, that he may not do as much as he could, that he may not do as much as he would: nevertheless, he is permitted to tempt as much as is expedient to men advancing. It is not expedient for us to be without temptations: nor should we beseech God that we be not tempted, but that we be not "led into tempt...
David, in distress. (Eusebius)
It has no relation to any historical fact. But it expresses the sentiments of any just man, surrounded with danger. (St. Hilary)
Yet many apply it to Daniel, in the lion's den, (Muis) to the captives, (Calmet) or to Jesus Christ and his Church. (St. Augustine) (Haydock)