mantra
noun /ˈmæntrə/
  /ˈmɑːntrə/,  /ˈmæntrə/
- a word, phrase or sound that is repeated again and again, especially during prayer or meditation- a Buddhist mantra
 
- a statement or slogan that is often repeated- the environmental mantra of ‘reduce, reuse, recycle’
 
Word Originlate 18th cent.: Sanskrit, literally ‘instrument of thought’, from man ‘think’.