Meaning
A tough force is countered only by an equally tough one; diamond cuts diamond.
Literally: iron cuts iron
See it in the verse
Loha lohe ko kaat-ta hai in Iqbal’s couplets
Phool ki patti se kat sakta hai heere ka jigar
Mard-e-nadaan par kalaam-e-narm-o-nazuk be-asar
Mard-e-nadaan par kalaam-e-narm-o-nazuk be-asar
A diamond's heart can be cut by the petal of a flower — yet on a foolish man, soft and gentle words have no effect.
Self-Knowledge · Action
Ghulami mein na kaam aati hain shamsheerein na tadbeerein
Jo ho zauq-e-yaqeen paida to kat jaati hain zanjeerein
Jo ho zauq-e-yaqeen paida to kat jaati hain zanjeerein
In bondage, neither swords nor clever schemes are of any use — but once a relish for conviction is born, the chains themselves fall away.
Freedom · Courage · Awakening
Ghulami mein na kaam aati hain shamsheeren na tadbeeren
Jo ho zauq-e-yaqeen paida to kat jaati hain zanjeeren
Jo ho zauq-e-yaqeen paida to kat jaati hain zanjeeren
In bondage neither swords nor clever schemes are of any use; but once a taste for conviction is born, the chains fall away on their own.
Freedom · Self-Knowledge · Courage