Full Idea
Most mathematicians want mathematics to deal, ultimately, with performable computing operations, and not to consist of formal propositions about objects called this or that.
Gist of Idea
Mathematician want performable operations, not propositions about objects
Source
Thoralf Skolem (Remarks on axiomatised set theory [1922], p.300)
Book Reference
'From Frege to Gödel 1879-1931', ed/tr. Heijenoort,Jean van [Harvard 1967], p.300