Rigveda 1.139.5
शची॑भिर्नः शचीवसू॒ दिवा॒ नक्तं॑ दशस्यतम् ।मा वां॑ रा॒तिरुप॑ दस॒त् कदा॑ च॒नास्मद्रा॒तिः कदा॑ च॒न॥
śacībhirnaḥ śacīvasū divā naktaṃ daśasyatam |mā vāṃ rātirupa dasat kadā canāsmadrātiḥ kadā cana ||
Our plain-language meaning of this verse is waiting for scholar review.