Spinoza posits that God or Nature is the sole substance with infinite attributes.

Evidence

The metaphysical system of Spinoza is of the type inaugurated by Parmenides. There is only one substance, ‘God or Nature’; nothing finite is self-subsistent. — Bertrand Russell, History of Western Philosophy, 2091

Categorization

• XREF: XREF connects to Parmenides and monistic metaphysics earlier in the history of philosophy. — connects to: Aristotles God cannot love humans and remains unaware of the sublunary world. — Bertrand Russell, History of Western Philosophy, 752; Anselm defines God as the greatest possible object of thought. — Bertrand Russell, History of Western Philosophy, 1601; The Franciscan tradition distinguished the God of philosophers from the God of Christianity
• corroborated: 2 independent passages support this claim — Bertrand Russell, History of Western Philosophy, 2091