The human mind cannot be absolutely destroyed with the body, but there remains of it something which is eternal.
 Baruch Spinoza, Ethics (1677). copy citation

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Author Baruch Spinoza
Source Ethics
Topic body mind
Date 1677
Language English
Reference
Note Translated by R. H. M. Elwes
Weblink http://www.gutenberg.org/files/3800/3800-h/3800-h.htm

Context

“This essence, therefore, must necessarily be conceived through the very essence of God (I. Ax. iv.) , and be thus conceived by a certain eternal necessity (I. xvi.) ; and this conception must necessarily exist in God (II. iii.) . Q.E.D.
PROP. XXIII. The human mind cannot be absolutely destroyed with the body, but there remains of it something which is eternal.
xiii.) . viii. Proof.—There is necessarily in God a concept or idea, which expresses the essence of the human body (last Prop.) , which, therefore, is necessarily something appertaining to the essence of the human mind (II.” source