मन्त्रार्थ
 

Om let Duau be peaceful, let cosmos be peaceful, Earth be peaceful, Water be peaceful, Medicines be peaceful, Forests be peaceful, all the Gods and Goddess be peaceful, Ultimate Reality be peaceful, let the peace be peaceful, let peace and harmony prevail everywhere. Let this peace and harmony be not disturbed. 

Yajuraveda 36/17

This peace mantra is chanted in every occasion of Vedic Yajna or Sacrifice Offerings to almighty.

Today also continuing the welfare spirit of this mantra it is chanted in sacred or secular prayers or gatherings.