"I would replace the quality of sincerity with honesty, since one can hold a conviction sincerely without examining it, while honesty would require that one subject one's convictions to frequent scrutiny."

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Could the activity of thinking as such, the habit of examining whatever happens to come to pass or to attract attention, regardless of results and specific content, could this activity be among the conditions that make men abstain from evil-doing?

— Hannah Arendt