Mahabharata 3.218.33

विवेश कवचं चास्य शरीरं सहजं ततःयुध्यमानस्य देवस्य प्रादुर्भवति तत्सदा

viveśa kavacaṃ cāsya śarīraṃ sahajaṃ tataḥyudhyamānasya devasya prādurbhavati tatsadā

Our plain-language meaning of this verse is waiting for scholar review.