Full Idea
There is no likelihood that each sentence about physical objects can actually be translated, however deviously and complexly, into the phenomenalistic language.
Gist of Idea
We can never translate our whole language of objects into phenomenalism
Source
Willard Quine (On What There Is [1948], p.18), quoted by Penelope Maddy - Naturalism in Mathematics III.2
Book Reference
Maddy,Penelope: 'Naturalism in Mathematics' [OUP 2000], p.173