Romans 16:20

And the God of peace shall bruise Satan under your feet shortly. The grace of our Lord Jesus Christ be with you. Amen.
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Ambrosiaster

AD 400
Paul says this about his own coming to them, for then he will crush the devil so that they will be able to receive spiritual grace. Satan gets angry at that, because he wants people to remain in sin. The grace which he has promised he will give them when he comes he now prays that they will have. For if they deserve to receive that grace, then he is already with them in spirit. Commentary on Paul’s Epistles.

Cyprian of Carthage

AD 258
And, as a sounding trumpet, you have stirred up God's soldiers, furnished with heavenly arms, to the close encounter; and fighting in the first rank, you have slain the devil with a spiritual sword: you have also ordered the troops of the brethren, on the one hand and on the other, with your words, so that snares were on all sides laid for the enemy, and the severed sinews of the very carcase of the public foe were trodden under foot.

The Apostolic Constitutions

AD 375
And after that let him proclaim: Ye penitents, pray; let us all earnestly pray for our brethren in the state of penitence, that God, the lover of compassion, will show them the way of repentance, and accept their return and their confession, and bruise Satan under their feet suddenly,

Theonas of Alexandria

AD 300
And then also shall ye do away with all ill-will, and bruise the head of that ancient serpent,

Knowing this first, that no prophecy of the scripture is of any private interpretation - 2 Peter 1:20

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