Gayatri Mantra

ॐ भूर्भुवः स्वः
तत्सवितुर्वरेण्यं ।
भर्गो देवस्य धीमहि
धियो यो नः प्रचोदयात् ॥

Om Bhuur-Bhuvah Svah
Tat-Savitur-Varennyam |
Bhargo Devasya Dhiimahi
Dhiyo Yo Nah Pracodayaat ||

Meaning:
1: Om, that (Divine Illumination) which Pervades the Bhu Loka (Physical Plane), Bhuvar Loka (Antariksha Loka or the Astral Plane) and Suvar Loka (Swarga Loka or the Celestial Plane),
2: That Savitr (Divine Illumination) which is the Most Adorable,
3: On that Divine Radiance we Meditate,
4: May that Enlighten Our Intellect and Awaken our Spiritual Wisdom.