"ॐ भूर्भुवः स्वः तत्सवितुर्वरेण्यं । भर्गो देवस्य धीमहिधियो 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.