A tart temper never mellows with age, and a sharp tongue is the only edge tool that grows keener with constant use.

This wry aside claims that a harsh disposition doesn't soften with the passing years, and unlike most things, a cutting tongue only becomes more effective through frequent use. The comparison to a well-used blade suggests habitual sharpness sustains itself, growing more precise the more it's exercised.

Context reviewed 23 September 2026