I wanted to know what processes happen to the spiritual soul between a beast and human life

Expressions researched:
"I wanted to know what processes happen to the spiritual soul between a beast and human life"

Bhagavad-gita As It Is Lectures

That will depend on his work. Karmaṇā daiva-netreṇa jantur deha upapatti. According to the association of the material nature, you get the next body. Kāraṇaṁ guṇa-saṅgo 'sya sad-asad-janma-yoniṣu. We have got different types of bodies. That is due to our association, past association with the different modes of material nature. Therefore, in this life, if we associate with the modes of goodness, then there is possibility of being promoted to the higher planetary system, or if we become God conscious, then we go back to home, back to Godhead. This chance is there. Now it is up to us to utilize it properly.

Lecture on BG 9.1 -- Melbourne, April 19, 1976:

Guest (1): Yes, I wanted to know what processes happen to the spiritual soul between a beast and human life.

Prabhupāda: That will depend on his work. Karmaṇā daiva-netreṇa jantur deha upapatti (SB 3.31.1). According to the association of the material nature, you get the next body. Kāraṇaṁ guṇa-saṅgo 'sya sad-asad-janma-yoniṣu (BG 13.22). We have got different types of bodies. That is due to our association, past association with the different modes of material nature. Therefore, in this life, if we associate with the modes of goodness, then there is possibility of being promoted to the higher planetary system, or if we become God conscious, then we go back to home, back to Godhead. This chance is there. Now it is up to us to utilize it properly.