Rigveda 10.12.7
यस्मि॑न्दे॒वा वि॒दथे॑ मा॒दय॑न्ते वि॒वस्व॑त॒: सद॑ने धा॒रय॑न्ते ।सूर्ये॒ ज्योति॒रद॑धुर्मा॒स्य१क्तून्परि॑ द्योत॒निं च॑रतो॒ अज॑स्रा॥
yasmindevā vidathe mādayante vivasvata: sadane dhārayante |sūrye jyotiradadhurmāsya1ktūnpari dyotaniṃ carato ajasrā ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book