Full Idea
How can we hope to reduce testimony to perception if the way we perceive the world is to a considerable extent shaped by concepts and categories that we have learned from others?
Gist of Idea
Testimony won't reduce to perception, if perception depends on social concepts and categories
Source
Martin Kusch (Knowledge by Agreement [2002], Ch. 4)
Book Reference
Kusch,Martin: 'Knowledge by Agreement' [OUP 2004], p.32
A Reaction
To me this sounds like good support for coherentism, the benign circle between my reason, my experience, and the testimony and reason of others. Asking how the circle could get started shows ignorance of biology.