Therefore there is nothing in nature which, &c.
Q.E.D.
Note .-- The Axiom of Part IV.

has reference to particular things, in so far as they are regarded in relation to a given time and place: of this, I think, no one can doubt.
PROP.XXXVIII.

In proportion as the mind understands more things by the second and third kind of knowledge, it is less subject to those emotions which are evil, and stands in less fear of death.
Proof .-- The mind's essence consists in knowledge (II.

xi.); therefore, in proportion as the mind understands more things by the second and third kinds of knowledge, the greater will be the part of it that endures (V.xxix.and xxiii.), and, consequently (by the last Prop.), the greater will be the part that is not touched by the emotions, which are contrary to our nature, or in other words, evil (IV.

xxx.).