Mahabharata 1.96.33

पूर्वमभ्यर्दितं दृष्ट्वा भीष्मं शाल्वेन ते नृपाःविस्मिताः समपद्यन्त साधु साध्विति चाब्रुवन्

pūrvamabhyarditaṃ dṛṣṭvā bhīṣmaṃ śālvena te nṛpāḥvismitāḥ samapadyanta sādhu sādhviti cābruvan

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