Mahabharata 13.111.20

यथा बलं क्रियाहीनं क्रिया वा बलवर्जितानेह साधयते कार्यं समायुक्तस्तु सिध्यति

yathā balaṃ kriyāhīnaṃ kriyā vā balavarjitāneha sādhayate kāryaṃ samāyuktastu sidhyati

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