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Clear Quote by Bertrand Russell

“We are ... led to a somewhat vague distinction between what we may call "hard" data and "soft" data. This distinction is a matter of degree, and must not be pressed; but if not taken too seriously it may help to make the situation clear. I mean by "hard" data those which resist the solvent…” quote by Bertrand Russell
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“We are ... led to a somewhat vague distinction between what we may call "hard" data and "soft" data. This distinction is a matter of degree, and must not be pressed; but if not taken too seriously it may help to make the situation clear. I mean by "hard" data those which resist the solvent influence of critical reflection, and by "soft" data those which, under the operation of this process, become to our minds more or less doubtful.”

Bertrand Russell

About This Quote

Source Essay: "The Philosophy of Logical Atomism", 1918

He distinguishes data that resists critical scrutiny from data that becomes doubtful under reflection.

In simple terms: Hard data resists doubt; soft data becomes doubtful.

Key Takeaway

Question the certainty of your evidence.

Themes

epistemology philosophy critical thinking

Mood

analytical skeptical

Type

philosophical educational

When to use this quote

  • research design
  • policy analysis
  • media literacy
  • academic debate

Key Concepts

hard vs soft data critical reflection knowledge assessment

Questions to Reflect On

  • What data do you accept without question?
  • How can you test the softness of your data?
A Different Perspective

Hard data can be misleading if not examined critically.

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