This is the first in the series of Lectures given at New Vrindavan Farm Community in September of 1972. These lectures are commonly known as the the “Bhāgavata Dharma Discourses”
…Devotee (1): Does anyone have any questions? Please ask. Raise your hand please. Especially a guest. If you have any questions please inquire. Yes?
Guest: Who is our mother?
Devotee (1): The question was, who is our mother?
Prabhupāda: Material nature is our mother. God is our father, and material nature is our mother. That is stated in the Bhagavad-gītā. Just like the father gives the seed of the child within the womb of the mother. Similarly God impregnates this material nature with the living entities, and after that they come out in different forms. So material nature is our mother, and God is our father.
Guest: What happens to us immediately after our material body dies, in other words…
Prabhupāda: You do not die, your body changes. So you accept another body…
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The Hare Krishna Movement 