Full Idea
An idea which excludes the existence of our body cannot be postulated in our mind, but is contrary thereto.
Gist of Idea
We are incapable of formulating an idea which excludes the existence of our body
Source
Baruch de Spinoza (The Ethics [1675], III Pr 10)
Book Reference
Spinoza,Benedict de: 'Ethics, Improvement of Understanding, Letters', ed/tr. Elwes,R [Dover 1955], p.138
A Reaction
A fascinating claim. At the heart of Descartes is an unspoken thought experiment exploring the possibility of a disembodied mind. This is a beautiful challenge to the very concept of such a thing, and points to a grealty superior theory of mind.