If everybody would agree that their current reality is a reality, and that what we essentially share is our capacity for constructing a reality, then perhaps we could all agree on a meta-agreement for computing a reality that would mean survival and dignity for everyone on the planet, rather than each group being sold on a particular way of doing things.
Varela (1975) in: Anne Waldman eds. (1975) The Coevolution quarterly. Nr. 8-12, p. 31