Certainly Quote by Richard Brinsley Sheridan

“Certainly nothing is unnatural that is not physically impossible.”

Richard Brinsley Sheridan

About This Quote

Source Book: The Rivals, 1775

Nothing is unnatural unless it defies physical laws; impossibility defines naturalness.

In simple terms: Only physically impossible things are unnatural.

Key Takeaway

Question physical limits.

Themes

philosophy science logic

Mood

Physical analytical thought‑provoking

Type

philosophical analytical

When to use this quote

engineering
physics research

Key Concepts

natural law impossibility definition

Questions to Reflect On

What is the that?

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