According to the Vedas, this mantra is the simplest way of spiritual enlightenment in Kali Yug. Krishna and Rama are the names of God. Krishna means "The most attractive one", Rama means "Source of happiness" and Hare means "Praying to God".
Hare Krishna Hare Krishna
Krishna Krishna Hare Hare
Hare Rama Hare Rama
Rama Rama Hare Hare
Hare Krishna Hare Krishna
Krishna Krishna Hare Hare
Hare Rama Hare Rama
Rama Rama Hare Hare