"It is only when we go outside that comfort zone, and subject ourselves to the discomfort of considering thoughts we don't agree with, that we can make an informed judgment on any matter. We can still disagree and maintain our opinions, but we can now do so knowing that the issue has been given consideration from all four sides. Or, if we truly give fair consideration to all points of view, we may need to swallow our pride and amend our original thoughts."
I've heard this sentiment before, but never so well written.