The Unconvincibles are the people who are not amenable to reason of any sort. Their minds are not only closed, but bolted and hermetically sealed. In… - Sydney J. Harris

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The Unconvincibles are the people who are not amenable to reason of any sort. Their minds are not only closed, but bolted and hermetically sealed. In most cases , their beliefs congealed at an early age; by the time they left their teens, they were encased in a rigid framework of thought and feeling, which no evidence or argument can penetrate.