Lord Sri Krishna is the Supreme Personality of Godhead according to all the evidences of the Vedas.
Srimad Bhagavatam 3.2.10,
Chanting Hare Krishna increases the ocean of transcendental bliss.
The best means of spiritual realization is chanting the holy name of the Lord.
Bhagavad Gita 6.11-12,
A Vaishnava bestows the priceless gift of the mahamantra, Hare Krishna Hare Krishna Krishna Krishna Hare Hare/ Hare Rama Hare Rama Rama Rama Hare Hare. Simply by chainting this mantra one can remain in a liberated state.
The Matchless gift, Chapter-7,