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In page Quintus Ligarius:

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At the trial Cicero gave an impassioned speech in Ligarius' defence, known as the Pro Ligario. He ignored the actual charges, but instead made an emotional appeal for reconciliation and clemency, warning of the dangers of vendettas. According to Plutarch, "Caesar was emotionally overcome, his body shook, and some documents fell from his hand. And so under compulsion he acquitted Ligarius."[1][2]