Full Idea
There exists a principle which transcends Being; this the One.
Gist of Idea
The One is a principle which transcends Being
Source
Plotinus (The Enneads [c.245], 5.1.10)
Book Reference
Plotinus: 'The Enneads', ed/tr. Mackenna,Stephen [Penguin 1991], p.359
A Reaction
The idea that the One transcends Being is the distinctive Plotinus doctrine. He defends the view that this was also the view of Anaxagoras, Empedocles and Plato.