Rigveda 8.2.15

मा न॑ इन्द्र पीय॒त्नवे॒ मा शर्ध॑ते॒ परा॑ दाः ।शिक्षा॑ शचीव॒: शची॑भिः॥

mā na indra pīyatnave mā śardhate parā dāḥ |śikṣā śacīva: śacībhiḥ ||

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