Mahabharata 1.135.8

शुचिमाप्तं प्रियं चैव सदा च दृढभक्तिकम्न विद्यते कवेः किंचिदभिज्ञानप्रयोजनम्

śucimāptaṃ priyaṃ caiva sadā ca dṛḍhabhaktikamna vidyate kaveḥ kiṃcidabhijñānaprayojanam

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