1/ "The first thing which constitutes the actual being of a human Mind is nothing but the idea of a singular thing which actually exist."

- P11: Ethics, Spinoza

#Philosophy #Determinism #Rationalism

2/ In simple words, Spinoza is defining what the human mind is. He argues that the singular thing which actually exists is the human body. The idea of that body is the human mind.

#body #mind

3/ This argument rests on his concept of Parallelism. He believed that the 'mental world' and the 'physical world' were not separate substances, he argued that we perceive only one reality through two different attributes: Thought and Extension (physicality).

#thought

4/ Because the Mind is the idea of the Body, it is perfectly "parallel" to it. Whatever happens to the Body (which is subject to the #deterministic laws of #physics/#nature) is perfectly and simultaneously reflected in the Mind as a corresponding sequence of ideas (thoughts).

5/ The mind doesn't cause the body to act, and the body doesn't cause the mind to think. They are a single, unified event in God/Nature, unfolding deterministically.

#Determinism #Psychology