Mahabharata 3.229.27
यूयं मुमूर्षवश्चापि मन्दप्रज्ञा न संशयःये तस्य वचनादेवमस्मान्ब्रूत विचेतसः
yūyaṃ mumūrṣavaścāpi mandaprajñā na saṃśayaḥye tasya vacanādevamasmānbrūta vicetasaḥ
Our plain-language meaning of this verse is waiting for scholar review.