Mahabharata 6.14.1

वैशंपायन उवाच · vaiśaṃpāyana uvāca

अथ गावल्गणिर्धीमान्समरादेत्य संजयःप्रत्यक्षदर्शी सर्वस्य भूतभव्यभविष्यवित्

atha gāvalgaṇirdhīmānsamarādetya saṃjayaḥpratyakṣadarśī sarvasya bhūtabhavyabhaviṣyavit

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