Mahabharata 6.26.1

श्रीभगवानुवाचइमं विवस्वते योगं प्रोक्तवानहमव्ययम्विवस्वान्मनवे प्राह मनुरिक्ष्वाकवेऽब्रवीत्

śrībhagavānuvācaimaṃ vivasvate yogaṃ proktavānahamavyayamvivasvānmanave prāha manurikṣvākave'bravīt

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