Full Idea
Spinoza argues that you cannot conceive the non-existence of God because you cannot conceive the non-existence of being. God, or a substance of infinite attributes, is being as such.
Gist of Idea
God is being as such, and you cannot conceive of the non-existence of being
Source
report of Baruch de Spinoza (The Ethics [1675], I Pr 11) by Beth Lord - Spinoza's Ethics I P11
Book Reference
Lord,Beth: 'Spinoza's Ethics' [Indiana 2010], p.30
A Reaction
I'm not clear why I cannot conceive of nothing whatever existing. I can conceive of my fridge being empty, so conceiving non-being is not off limits. Not that inconceivability is an infallible guide to impossibility…
Related Idea
Idea 21856 Spinoza says a substance of infinite attributes cannot fail to exist [Spinoza, by Lord]