Mahabharata 14.35.24

ब्रह्म सत्यं तपः सत्यं सत्यं चैव प्रजापतिःसत्याद्भूतानि जातानि भूतं सत्यमयं महत्

brahma satyaṃ tapaḥ satyaṃ satyaṃ caiva prajāpatiḥsatyādbhūtāni jātāni bhūtaṃ satyamayaṃ mahat

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