Mahabharata 18.1.22

ये ते वीरा महात्मानो भ्रातरो मे महाव्रताःसत्यप्रतिज्ञा लोकस्य शूरा वै सत्यवादिनः

ye te vīrā mahātmāno bhrātaro me mahāvratāḥsatyapratijñā lokasya śūrā vai satyavādinaḥ

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