Full Idea
It would be quite legitimate to claim that the outer senses are at least as important as introspection in the acquisition of self-knowledge.
Gist of Idea
Outer senses are as important as introspection in the acquisition of self-knowledge
Source
Quassim Cassam (Introduction to 'Self-Knowledge' [1994], §I)
Book Reference
'Self-Knowledge', ed/tr. Cassam,Quassim [OUP 1994], p.4
A Reaction
It is interesting to speculate about the extent to which a 'mind in a void' could have a personal identity. Experiences tend to be 'mine' because of my body, which has a history and a space-time location. But this doesn't make identity entirely cultural.