Shanthi mantra from Brihadaranyaka upanishad.

Shanthi mantras are prayers repeated before the commencement of a puja or homam or at the end ,to bless one and all.They are found in the Vedas and Upanishads.

Om! Asato ma sadgamaya,
tamaso ma jyotir gamaya,
mrtyorma mratam gamaya,

Om! Shanti, shanti ,shanthihi!

Lead me from the unreal to the real,
Lead me from darkness to light,
Lead me from death to immortality!

Om ! Let there be peace, peace and more peace!