Those who plot the destruction of others often fall themselves.
Sæpe intereunt aliis meditantes necem.
More quotes by Phaedrus
You will soon break the bow if you keep it always stretched.
He carried and nourished in his breast a snake, tender-hearted against his own interest.
Attribution
Quote text and notes from Wikiquote: Phaedrus (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.