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If a man is right, he can't be too radical; if he is wrong, he can't be too conservative.

Josh Billings (1972). “Uncle Sam's Uncle Josh: Or, Josh Billings on Practically Everything, Distilled from Josh's Rum and Tansy New England Wit by Donald Day”
If a man is right, he can't be too radical; if he is wrong, he can't be too conservative.