For inasmuch as his essence excludes all imperfection, and involves absolute perfection, all cause for doubt concerning his existence is done away, and the utmost certainty on the question is given.

This, I think, will be evident to every moderately attentive reader.
PROP.XII.

No attribute of substance can be conceived from which it would follow that substance can be divided.
Proof .-- The parts into which substance as thus conceived would be divided either will retain the nature of substance, or they will not.

If the former, then (by Prop.

viii.) each part will necessarily be infinite, and (by Prop.