Rigveda 5.39.3
यत् ते॑ दि॒त्सु प्र॒राध्यं॒ मनो॒ अस्ति॑ श्रु॒तं बृ॒हत् ।तेन॑ दृ॒ळहा चि॑दद्रिव॒ आ वाजं॑ दर्षि सा॒तये॑॥
yat te ditsu prarādhyaṃ mano asti śrutaṃ bṛhat |tena dṛḷahā cidadriva ā vājaṃ darṣi sātaye ||
Our plain-language meaning of this verse is waiting for scholar review.