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Evil Quote by Thomas Aquinas

“Good can exist without evil, whereas evil cannot exist without good.” quote by Thomas Aquinas
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“Good can exist without evil, whereas evil cannot exist without good.”

Thomas Aquinas

About This Quote

Source Treat: Summa Theologica, Part I, Question 13, Article 2

Good and evil are interdependent; good can stand alone, but evil needs good to be defined.

In simple terms: Good can exist alone; evil needs good.

Key Takeaway

Recognize the relational nature of moral concepts.

Themes

morality dualism ethics

Mood

thoughtful reflective

Type

philosophical theological

When to use this quote

  • personal reflection
  • ethical debates
  • theological study

Key Concepts

theology philosophy

Questions to Reflect On

  • How does recognizing this interdependence affect moral judgments?
  • Can good exist without acknowledging evil?
A Different Perspective

Evil may be seen as a distortion rather than a separate entity.

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