Yogananda often read aloud to Babaji-Krishna, while frequently mentions his devotion to Jesus Christ, who claimed to have spoken in their mystical visions or trances. Checking article sources yields Randall Rothenberg as a relevant resource throughout. According to him, lived intermittently for centuries a "along with her sister and a few sadhakas Mataji (a practitioners') a " in an ashram somewhere hidden in the Himalayas where he taught the ecienciau of Kriya Yoga. Lahiri Mahasaya was considered the largest eel yoguisu, with powers limited only by the will of God to use them, because he said that teachers who acquire psychic powers or siddhis used only by consent of God. Yogananda said that the siddhis are a gift received from God and God is always returned. Anyone who acquires siddhis and lose selfishly try to use the powers acquired after much effort and descend spiritually, losing the work of many years. According to Yogananda, Babaji would come down from the Himalayas to collect Mahasaya high spirituality and want to re-extend the kriya yoga, as would an ancient form Mahasaya ja ra interior yoga or meditation. Babaji Mahavatar perceived himself as the first spiritual master (guru di-a), founder of that lineage. Paramahansa Yogananda, in his Autobiography of a Yogi describes the role of Babaji Mahavatar on earth: The Mahavatar is in constant communion with Christ and together they send out vibrations of redemption, and have planned the spiritual technique of salvation for this age. The work of these two fully-illumined masters, one with a physical body and one without a body, is to inspire the nations to forsake suicidal wars, race hatreds, religious sectarianism and the evils of materialism.