Full Idea
The thing which knows or perceives ideas is what I call mind, spirit, soul or myself.
Gist of Idea
Ideas are perceived by the mind, soul or self
Source
George Berkeley (The Principles of Human Knowledge [1710], §2)
Book Reference
Berkeley,George: 'The Principles of Human Knowledge etc.', ed/tr. Warnock,G.J. [Fontana 1962], p.65
A Reaction
The interest here is in making no distinction between 'mind' and 'self', which seems to ally Berkeley with Locke's view of personal identity, as continuity of consciousness. The addition of 'soul' tries to connect Locke to Christian thought.