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Action Quote by Marcus Tullius Cicero

“The mere act of believing that some wrongful course of action constitutes an advantage is pernicious.” quote by Marcus Tullius Cicero
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“The mere act of believing that some wrongful course of action constitutes an advantage is pernicious.”

Marcus Tullius Cicero

About This Quote

Source Treat: De Oratore, 55 BC

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.

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