Pronunciation:
Om bhur bhuvah svah | tat savitur varenyam | bhargo devasya dhimahi | dhiyo yo nah prachodayat

Translation:
Earth, Heaven, the Whole Between.
The excellent divine power of the Sun.
May we contemplate the radiance of that god,
May this inspire our understanding.

Why chant it:
This is one of the oldest Sanskrit mantras. It speaks to the unity of all creation, despite its many forms. Chanting it invokes the light of the sun and helps us to transcend suffering.