Rig Veda 1.1.7

upa tvagne dive-dive dosavastardhiya vayam
namo bharanta emasi

Agni, lord omniscient, day by day, night and day, with all our heart and soul we come to you bearing gifts of homage in faith and humility.

उप त्वाग्ने दिवेदिवे दोषावस्तर्धिया वयम् । नमो भरन्त एमसि ॥