Full Idea
The realist principle that a statement may be true even though no one is able to recognise its truth is so deeply embedded in our ordinary conception of truth that any account that flouts it is liable to engender confusion.
Gist of Idea
The idea that there are unrecognised truths is basic to our concept of truth
Source
Ian Rumfitt (The Boundary Stones of Thought [2015], 5.1)
Book Reference
Rumfitt,Ian: 'The Boundary Stones of Thought' [OUP 2015], p.127