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Bad habit Quote by Arthur Conan Doyle

“One forms provisional theories and waits for time or fuller knowledge to explode them. A bad habit, Mr. Ferguson, but human nature is weak. Sherlock Holmes speaking with Dr. Watson.” quote by Arthur Conan Doyle
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“One forms provisional theories and waits for time or fuller knowledge to explode them. A bad habit, Mr. Ferguson, but human nature is weak. Sherlock Holmes speaking with Dr. Watson.”

Arthur Conan Doyle

About This Quote

Source Literature: Sherlock Holmes stories, 1892‑1927

Holmes suggests theories are temporary until new evidence or time reshapes them, highlighting human fallibility.

In simple terms: Theories change with time and knowledge; humans are weak.

Key Takeaway

Remain open to revising beliefs.

Themes

knowledge humility science

Mood

thoughtful analytical

Type

philosophical inspirational

When to use this quote

  • research
  • problem solving
  • education

Key Concepts

theory revision human nature learning process

Questions to Reflect On

  • What beliefs have you revised recently?
  • How do you handle uncertainty?
A Different Perspective

New evidence may be scarce; over‑reliance on intuition can mislead.

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