Full Idea
Different points of view make sense, but only if there is a common co-ordinate system on which to plot them.
Gist of Idea
Different points of view make sense, but they must be plotted on a common background
Source
Donald Davidson (The Very Idea of a Conceptual Scheme [1974], p.184)
Book Reference
Davidson,Donald: 'Inquiries into Truth and Interpretation (2nd ed)' [OUP 2001], p.184
A Reaction
This seems right to me. I am very struck by the close similarities between people from wildly differing cultural backgrounds, as seen, for example, at the Olympic Games.