It is idle to adjudicate upon the right and wrong of incidents that have already happened. It is useful to understand them and, if possible, to learn a lesson from them for the future.

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Probable attribution

This saying is widely associated with Mahatma Gandhi, but the attribution is not supported by a reliable primary source.

Likely origin: From Gandhi's An Autobiography (My Experiments with Truth); a reflection that it is idle to re-adjudicate past incidents and better to learn from them.

About this quote

Reopening a settled failure to re-argue who was right rarely changes anything and often just reopens the wound. The useful move is to sit with what happened long enough to pull out one concrete lesson, then carry that forward instead of the grievance.

When to use it

  • A team that stops blaming individuals for a botched launch and instead writes down what to change next time.
  • A couple who quits rehashing an old argument and names the one habit that keeps causing it.
  • An investor who studies a bad trade for its lesson rather than stewing over the loss.