--- title: "Meaning & Key Takeaway of: The mere act of believing that some…" description: "\"The mere act of believing that some wrongful course of action constitutes an advantage is pernicious.\" — Marcus Tullius Cicero" image: "https://sms4smile.com/quotes/i/f9a/marcus-tullius-cicero-157_action_the-mere-act-of-believing-that-some-wron_919665.jpg" --- # The mere act of believing that some wrongful course of… ![“The mere act of believing that some wrongful course of action constitutes an advantage is pernicious.” quote by Marcus Tullius Cicero](https://sms4smile.com/quotes/i/f9a/marcus-tullius-cicero-157_action_the-mere-act-of-believing-that-some-wron_919665.jpg) [Download](https://sms4smile.com/quotes/i/f9a/marcus-tullius-cicero-157_action_the-mere-act-of-believing-that-some-wron_919665.jpg) [Open image](https://sms4smile.com/quotes/i/f9a/marcus-tullius-cicero-157_action_the-mere-act-of-believing-that-some-wron_919665.jpg) > “The mere act of believing that some wrongful course of action constitutes an advantage is pernicious.” [Marcus Tullius Cicero](https://sms4smile.com/quotes/author/marcus-tullius-cicero/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Believing a wrongful act is advantageous is a harmful mindset that corrupts judgment. **In simple terms:** Thinking bad actions are beneficial is dangerous. Key Takeaway Question motives behind perceived gains. Themes ethics perception corruption decisionmaking philosophy Mood cautious thoughtful Type philosophical ethical When to use this quote - business negotiations - political strategy - personal choices Key Concepts moral reasoning cognitive bias self‑deception Questions to Reflect On - What advantages do you truly gain? - How can you spot self‑justification? A Different Perspective The belief may persist despite evidence of harm. ★ ★ ★ ★ ★ No ratings yet [Action](https://sms4smile.com/quotes/about/action/) [Advantage](https://sms4smile.com/quotes/about/advantage/) [Advantage Pernicious](https://sms4smile.com/quotes/about/advantage-pernicious-1412749/) [Anti war](https://sms4smile.com/quotes/about/anti-war/) [Antiwar](https://sms4smile.com/quotes/about/antiwar/) [Believe](https://sms4smile.com/quotes/about/believe/) [Believing Wrongful](https://sms4smile.com/quotes/about/believing-wrongful-1412751/) [Constitutes Advantage](https://sms4smile.com/quotes/about/constitutes-advantage-1412750/) [Courses](https://sms4smile.com/quotes/about/courses/) [Mere](https://sms4smile.com/quotes/about/mere/) [Peace](https://sms4smile.com/quotes/about/peace/) [Pernicious](https://sms4smile.com/quotes/about/pernicious/) [War](https://sms4smile.com/quotes/about/war/) ## Related quotes > [What is morally wrong can never be advantageous, even when it enables you to make some gain that you believe to be to your…](https://sms4smile.com/quotes/marcus-tullius-cicero/what-is-morally-wrong-can-never-be-advantageous-even-when-it-enables/) [Marcus Tullius Cicero](https://sms4smile.com/quotes/author/marcus-tullius-cicero/) > [After victory, you have more enemies.](https://sms4smile.com/quotes/marcus-tullius-cicero/after-victory-you-have-more-enemies/) [Marcus Tullius Cicero](https://sms4smile.com/quotes/author/marcus-tullius-cicero/) > [War is the father of all things.](https://sms4smile.com/quotes/heraclitus/war-is-the-father-of-all-things/) [Heraclitus](https://sms4smile.com/quotes/author/heraclitus/) > [You cannot win a War on Terrorism. 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