Ephesians 6:19

And for me, that utterance may be given unto me, that I may open my mouth boldly, to make known the mystery of the gospel,
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Ambrosiaster

AD 400
He exhorts them to pray for him in two ways: first that his thoughts may be filled by the Spirit for the full declaration of the mystery, and second that he may be given a faculty of bold utterance in proclaiming it. .

Gaius Marius Victorinus

AD 400
Isn’t this wonderful? From those whom he himself has just now admonished, those whom he has instructed, to whom he has preached the gospel, he now asks for help. He is asking them for their prayers. He goes on to explain what he is asking them to pray for: “that utterance may be given to me.” His prayer is definite and specific, that a particular profit may accrue. –.

Jerome

AD 420
This is to be understood as if he said, “Let the treasuries be opened. Let the promises hidden from ages be revealed. Let the Spirit enter to bring forth those things that have been concealed.” That this is indeed the meaning of this passage … is clarified by what follows: “in confidence,” he says, “to make known the mystery of the gospel.” .

Tertullian of Carthage

AD 220
The Creator, when he displayed to the Church such constancy and plainness of speech in "making known the mystery of the gospel for which he was an ambassador in bonds "owing to his liberty in preaching-and actually requested (the Ephesians) to pray to God that this "open-mouthed utterance "might be continued to him?

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

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