11 But the LORD is with me as a mighty terrible one: therefore my persecutors shall stumble, and they shall not prevail: they shall be greatly ashamed; for they shall not prosper: their everlasting confusion shall never be forgotten.
(Verse 11.) All the men, who were peaceful towards me, and guarding my side: if we are deceived in any way, let us prevail against him, and achieve vengeance from him. But the Lord is with me as a strong warrior. When the adversaries rise up, and former friends and peaceful men turn to war, and they want to set traps for us, let us not be greatly concerned; but let us desire to say this which the Prophet speaks: But the Lord is with me as a strong warrior.
Therefore those who persecute me will fall and be weak (or because they have persecuted me and could not understand). Let them be greatly ashamed because they did not understand the everlasting disgrace, which will never be destroyed. Because they have persecuted, they could not understand the prophetic word, and intense confusion followed their ignorance, and they did not understand the everlasting disgrace, which will possess them and will not be erased by any forgetfulness. So let them say what they want, those once peaceful men who guarded my side and desired to deceive, as long as a just man and teacher of the Church after such persecution may obtain such vengeance and rewards.
[AD 420] Jerome on Jeremiah 20:11
Therefore those who persecute me will fall and be weak (or because they have persecuted me and could not understand). Let them be greatly ashamed because they did not understand the everlasting disgrace, which will never be destroyed. Because they have persecuted, they could not understand the prophetic word, and intense confusion followed their ignorance, and they did not understand the everlasting disgrace, which will possess them and will not be erased by any forgetfulness. So let them say what they want, those once peaceful men who guarded my side and desired to deceive, as long as a just man and teacher of the Church after such persecution may obtain such vengeance and rewards.