oṃ bhūr bhuvaḥ svaḥ
tat savitur vareṇyaṃ
bhargo devasya dhīmahi
dhiyo yo naḥ pracodayāt
"Om, the Earth, the Atmosphere, and the Heavens —
Let us meditate on that most excellent Light of the Divine Creator,
May that Divine Light illuminate our intellect and inspire our thoughts."
Ṛgveda 03.062.10