Is It Worse To Think I Am Body Or That I Am Nothing

“Birth, death, old age and diseases affect this material body, but not the spiritual body. There is no birth, death, old age and disease for the spiritual body, so one who attains a spiritual body, becomes one of the associates of the Supreme Personality of Godhead and engages in eternal devotional service, is really liberated. Aham brahmasmi: I am spirit. It is said that one should understand that he is Brahman-spirit soul.” (Shrila Prabhupada, Bhagavad-gita, 7.29 Purport)