The most revered Vedic prayer, for the illumination of the intellect.
Sāvitrī (the Sun as Savitṛ) · Traditional devotional text · Source: Ṛgveda 3.62.10 (Viśvāmitra) (Śruti / public domain)
Om bhūr bhuvaḥ svaḥ | tat savitur vareṇyaṁ bhargo devasya dhīmahi | dhiyo yo naḥ pracodayāt ||
Offered for worship and study, not as prediction. Non-commercial.