Full Idea
In Deleuze's hands ontology is not a matter of telling us what there is, but of taking us on strange adventures.
Gist of Idea
Ontology does not tell what there is; it is just a strange adventure
Source
report of Gilles Deleuze (Difference and Repetition [1968]) by Todd May - Gilles Deleuze 3.03
Book Reference
May,Todd: 'Gilles Deleuze' [CUP 2006], p.86
A Reaction
Presumably you only indulge in the strange adventure because you have no idea how to specify what there is. This sounds like the essence of post-modernism, in which life is just a game.