It is only through rational disagreement that knowledge can advance. Absent civilized discourse such diversity of views cannot be resolved into a new synthesis, and, again, knowledge is unnattainable.
I do hope my use of absolutes here is treated as oversimplification, rather than zealotry. Concision is something I essay to achieve, rather than to give free reign to my tendency to excessive verbosity.
See? I'd edit that away, but Imma leave it as an example to me =p
chuckle