Full Idea
From the dependency I find in myself and my ideas, I do by an act of reason necessarily infer the existence of a God.
Gist of Idea
There must be a God, because I and my ideas are not independent
Source
George Berkeley (Three Dialogues of Hylas and Philonous [1713], III p.222)
Book Reference
Berkeley,George: 'The Principles of Human Knowledge etc.', ed/tr. Warnock,G.J. [Fontana 1962], p.222
A Reaction
No. Hume answered this, by showing how big abstract ideas are built up from experience. This is a future bishop's wish-fulfilment.