Mahabharata 12.107.5

उभयोरेव वामर्थे यतिष्ये तव तस्य चसंश्लेषं वा करिष्यामि शाश्वतं ह्यनपायिनम्

ubhayoreva vāmarthe yatiṣye tava tasya casaṃśleṣaṃ vā kariṣyāmi śāśvataṃ hyanapāyinam

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