Full Idea
Man is not merely a part (the higher part) of the Soul but the total.
Gist of Idea
A person is the whole of their soul
Source
Plotinus (The Enneads [c.245], 5.1.12)
Book Reference
Plotinus: 'The Enneads', ed/tr. Mackenna,Stephen [Penguin 1991], p.360
A Reaction
The soul is psuche, which includes the vegetative soul. The higher part is normally taken to be reason. This seems pretty close to John Locke's view of the matter.
Related Ideas
Idea 1650 For Socrates our soul, though hard to define, is our self [Vlastos on Socrates]
Idea 1378 My little finger is part of me if I am conscious of it [Locke]