Full Idea
Quine feels that the intuitionist's ontology of abstract objects is too slight to serve the needs of classical mathematics.
Gist of Idea
For Quine, intuitionist ontology is inadequate for classical mathematics
Source
report of Willard Quine (works [1961]) by Alex Orenstein - W.V. Quine Ch.3
Book Reference
Orenstein,Alex: 'W.V. Quine' [Princeton 2002], p.57
A Reaction
Quine, who devoted his life to the application of Ockham's Razor, decided that sets were an essential part of the ontological baggage (which made him, according to Orenstein, a 'reluctant Platonist'). Dummett defends intuitionism.