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Angle Quote by George Berkeley

“It is a mistake, to think the same thing affects both sight and touch. If the same angle or square, which is the object of touch,be also the object of vision, what should hinder the blind man, at first sight, from knowing it?” quote by George Berkeley
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“It is a mistake, to think the same thing affects both sight and touch. If the same angle or square, which is the object of touch,be also the object of vision, what should hinder the blind man, at first sight, from knowing it?”

George Berkeley

About This Quote

Source Treat: An Essay Concerning Human Understanding, 1710

Berkeley argues that sensory qualities like sight and touch are distinct; one cannot assume they share the same underlying cause.

In simple terms: Sight and touch are different senses; they don’t share the same basis.

Key Takeaway

Recognize sensory differences when reasoning.

Themes

perception philosophy epistemology

Mood

thoughtful analytical

Type

philosophical instructive

When to use this quote

  • education
  • design of tactile displays
  • accessibility research
  • visual arts

Key Concepts

Empiricism sensory distinction

Questions to Reflect On

  • How do you differentiate sensory inputs in design?
  • When might assuming similarity cause error?
A Different Perspective

Sensory overlap can be misleading in complex systems.

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