Maha Mrithunjaya Mantra

This is regarded as the heart of all Mantras. A mantra from the Yajur Veda, this holds the highest place along with Gayathri Mantra.

Om Trayambakam Yajamahe
Sugandhum Pushtivardhanam
Urvarukmiv Bandanath
Mruthyormakshiy Maamruthath

This can be chanted as many times as one wishes.