Doubt is the incentive to truth and inquiry leads the way.
怀疑是追求真理的动力，探索是前进的道路。
-- Hosea Ballou 马士
Doubt is the incentive to truth and inquiry leads the way.
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Doubt is the incentive to truth and inquiry leads the way.
怀疑是追求真理的动力，探索是前进的道路。
-- Hosea Ballou 马士
