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Excerpt from Ethics — Part 2, by Benedictus de Spinoza

<<<<<Corollary--Hence it follows, that the essence of man is
constituted by certain modifications of the attributes of God.
For (by the last Prop.) the being of substance does not belong
to the essence of man. That essence therefore (by I. xv.) is
something which is in God, and which without God can neither be
nor be conceived, whether it be a modification (I. xxv. Cor.),
or a mode which expresses God's nature in a certain conditioned
manner.

*****Note--Everyone must surely admit, that nothing can be or be
conceived without God. All men agree that God is the one and
only cause of all things, both of their essence and of their
existence; that is, God is not only the cause of things in
respect to their being made (secundum fieri), but also in
respect to their being (secundum esse).

At the same time many assert, that that, without which a thing
cannot be nor be conceived, belongs to the essence of that
thing; wherefore they believe that either the nature of God
appertains to the essence of created things, or else that created
things can be or be conceived without God; or else, as is more
probably the case, they hold inconsistent doctrines. I think
the cause for such confusion is mainly, that they do not keep to
the proper order of philosophic thinking. The nature of God,
which should be reflected on first, inasmuch as it is prior both
in the order of knowledge and the order of nature, they have
taken to be last in the order of knowledge, and have put into the
first place what they call the objects of sensation; hence,
while they are considering natural phenomena, they give no
attention at all to the divine nature, and, when afterwards they
apply their mind to the study of the divine nature, they are
quite unable to bear in mind the first hypotheses, with which
they have overlaid the knowledge of natural phenomena, inasmuch
as such hypotheses are no help towards understanding the divine
nature. So that it is hardly to be wondered at, that these
persons contradict themselves freely.

Explanation ​

Detailed Explanation of Spinoza’s Ethics, Part 2, Corollary & Note ​

This excerpt is from Baruch (Benedictus) de Spinoza’s Ethics (1677), specifically Part 2: "On the Nature and Origin of the Mind." Spinoza’s Ethics is a foundational work of rationalist metaphysics, written in a geometric style (with axioms, propositions, corollaries, and proofs) to systematically demonstrate his philosophical system. His central thesis is monism—the idea that there is only one substance (God or Nature), and all things are modifications (modes) of this single, infinite substance.

This passage follows Proposition 10 (which argues that the essence of finite things does not include the essence of substance) and expands on the relationship between human essence, God, and existence. Below is a breakdown of the text’s meaning, themes, literary/philosophical devices, and significance.

1. Textual Breakdown & Key Arguments ​

A. The Corollary: Human Essence as a Modification of God’s Attributes ​

"Hence it follows, that the essence of man is constituted by certain modifications of the attributes of God."

  • Meaning: Spinoza argues that human essence is not an independent substance but rather a mode (modification) of God’s attributes.
    • In Spinoza’s system, God (or Nature) is the only substance, possessing infinite attributes (e.g., thought and extension).
    • Humans, as finite beings, are expressions (modes) of these attributes—our minds are modifications of God’s attribute of thought, and our bodies are modifications of extension.
    • Thus, human existence is entirely dependent on God—we are not separate from God but part of God’s infinite expression.

"For (by the last Prop.) the being of substance does not belong to the essence of man. That essence therefore (by I. xv.) is something which is in God, and which without God can neither be nor be conceived..."

  • Reference to Proposition 10: The "last Prop." (Proposition 10) states that finite things (like humans) do not contain the essence of substance (God)—meaning we are not self-sufficient but depend on God for our existence.
  • Reference to I.xv (Part 1, Proposition 15): "Whatever is, is in God, and nothing can be or be conceived without God."
    • This reinforces God’s necessity—nothing exists independently of God.
    • Human essence is a conditioned mode—it exists in God, not apart from God.

"...whether it be a modification (I. xxv. Cor.), or a mode which expresses God's nature in a certain conditioned manner."

  • Modes vs. Substance:
    • Substance (God/Nature) is infinite, self-caused, and independent.
    • Modes (finite things, like humans) are dependent, temporary, and express God’s attributes in limited ways.
    • Example: A wave is a mode of the ocean (substance); it cannot exist without the ocean.

Key Takeaway: Humans are not separate from God but are expressions of God’s infinite nature in a finite, conditioned form.

B. The Note: Critique of Common Misconceptions About God and Essence ​

Spinoza now addresses three common philosophical errors about the relationship between God and created things:

"Everyone must surely admit, that nothing can be or be conceived without God. All men agree that God is the one and only cause of all things, both of their essence and of their existence..."

  • Universal Agreement on God’s Causality:
    • Most people (including theologians and philosophers) accept that God is the cause of all things—both their existence (esse) and their essence (what they are).
    • However, Spinoza argues that many fail to grasp the full implications of this idea.

"At the same time many assert, that that, without which a thing cannot be nor be conceived, belongs to the essence of that thing; wherefore they believe that either the nature of God appertains to the essence of created things, or else that created things can be or be conceived without God..."

  • The Contradiction in Common Thinking:
    1. First Error: Some say that if X is necessary for Y’s existence, then X is part of Y’s essence.
      • Example: If a triangle cannot exist without three sides, then "three-sidedness" is part of its essence.
      • Applied to God: If nothing can exist without God, does that mean God is part of the essence of all things?
      • Spinoza rejects this—God is not a part of finite things but the substance in which they inhere.
    2. Second Error: Others (like some deists or materialists) might claim that created things can exist without God (e.g., nature operates independently).
      • Spinoza vehemently opposes this—it contradicts the idea that God is the immanent cause of all things.
    3. Third Error (Most Common): People hold inconsistent beliefs—they say God is the cause of all things but then act as if things can exist separately from God.

"I think the cause for such confusion is mainly, that they do not keep to the proper order of philosophic thinking. The nature of God, which should be reflected on first, inasmuch as it is prior both in the order of knowledge and the order of nature, they have taken to be last in the order of knowledge..."

  • The Root Problem: Wrong Philosophical Method
    • Spinoza accuses philosophers of starting with the wrong premises.
    • Correct Order: One must first understand God (substance), then understand finite things as modes of God.
    • Incorrect Order: Most start with sense experience (objects of sensation) and try to retroactively fit God into their worldview, leading to contradictions.
      • Example: If you start by assuming humans are independent beings, you’ll struggle to see how they depend on God.

"...when afterwards they apply their mind to the study of the divine nature, they are quite unable to bear in mind the first hypotheses, with which they have overlaid the knowledge of natural phenomena..."

  • Cognitive Dissonance:
    • People first assume the world is made of independent things, then later try to reconcile this with God’s unity, leading to inconsistent theories.
    • Their preconceived notions (hypotheses) about nature block them from truly understanding God.

"So that it is hardly to be wondered at, that these persons contradict themselves freely."

  • Conclusion: Their methodological error leads to self-contradiction—they claim God is the cause of all things but act as if things exist separately from God.

2. Key Themes in the Excerpt ​

A. Monism & Pantheism ​

  • Spinoza’s monism (only one substance exists) leads to pantheism (God = Nature).
  • Humans are not separate from God but modes of God’s attributes.
  • This rejects dualism (Descartes’ mind-body split) and theism (God as a separate creator).

B. Dependence vs. Independence ​

  • Finite things (humans) are dependent modes—they cannot exist without God.
  • God is independent substance—self-caused and infinite.
  • This challenges the traditional Christian view of humans as created but distinct from God.

C. Epistemological Order (How We Should Think) ​

  • Spinoza argues for a rational, deductive approach:
    1. Start with God (substance).
    2. Then understand finite things as modes of God.
  • Most people do the opposite—start with sense experience, then try to fit God in, leading to confusion.

D. Critique of Traditional Metaphysics ​

  • Spinoza attacks scholastic philosophy (medieval Christian thought) and Cartesian dualism for their inconsistencies.
  • He accuses them of not following logical order, leading to contradictory beliefs about God and creation.

3. Literary & Philosophical Devices ​

A. Geometric Method ​

  • Spinoza writes in Euclid-style proofs (axioms, propositions, corollaries) to mimic mathematical certainty.
  • This eliminates rhetorical flourish, forcing the reader to follow logic strictly.

B. Contrast & Juxtaposition ​

  • Correct vs. Incorrect Thinking:
    • "The nature of God... should be reflected on first" vs. "they have taken to be last."
    • "All men agree that God is the one and only cause" vs. "they contradict themselves freely."
  • Highlights the gap between theory and practice in philosophy.

C. Irony & Critique ​

  • Spinoza pretends to sympathize ("it is hardly to be wondered at") but is actually condemning the intellectual laziness of his opponents.
  • His tone is dry but cutting—he exposes logical flaws without emotional appeal.

D. Repetition for Emphasis ​

  • "without God can neither be nor be conceived" (repeated twice) reinforces God’s absolute necessity.
  • "both of their essence and of their existence" stresses that God is the cause of all aspects of being.

4. Significance & Implications ​

A. Radical Rejection of Dualism ​

  • Spinoza denies Descartes’ mind-body dualism—humans are not separate souls in a machine but unified modes of God’s thought and extension.
  • This was heretical in his time (his works were banned by religious authorities).

B. Influence on Modern Philosophy ​

  • Hegel, Nietzsche, and Deleuze later engage with Spinoza’s monism.
  • Einstein called Spinoza his favorite philosopher, seeing parallels in scientific determinism (laws of nature as God’s expression).

C. Ethical Implications (Later in Ethics) ​

  • If humans are modes of God, then:
    • Freedom is understanding necessity (not free will in the traditional sense).
    • Happiness comes from aligning with God/Nature (not resisting it).
    • Morality is about rational self-preservation, not divine commands.

D. Challenge to Religious Orthodoxy ​

  • Spinoza’s pantheism (God = Nature) denies a personal, intervening God.
  • This led to his excommunication from the Jewish community and condemnation by Christians.

5. Conclusion: Why This Passage Matters ​

This excerpt is foundational to Spinoza’s metaphysics because it:

  1. Establishes human dependence on God—we are not independent substances but expressions of God’s attributes.
  2. Critiques flawed philosophical methods—most people start with the wrong premises, leading to contradictions.
  3. Sets up his ethical system—if we are part of God, then understanding our place in Nature is the path to wisdom.

Spinoza’s argument is both radical and systematic—he dismantles traditional views of God, humans, and causality while offering a unified, rational alternative. His geometric style forces the reader to either accept his logic or find a flaw in the premises, making his philosophy uncompromisingly rigorous.

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