Rigveda 1.7.2

इन्द्र॒ इद्धर्यो॒: सचा॒ संमि॑श्ल॒ आ व॑चो॒युजा॑।इन्द्रो॑ व॒ज्री हि॑र॒ण्यय॑:॥

indra iddharyo: sacā saṃmiśla ā vacoyujā |indro vajrī hiraṇyaya: ||

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