John Stuart Mill Quotes About Observation

Quotes about: Observation

• He who lets the world, or his own portion of it, choose his plan of life for him, has no need of any other faculty than the ape-like one of imitation. He who chooses his plan for himself, employs all his faculties. He must use observation to see, reasoning and judgment to foresee, activity to gather materials for decision, discrimination to decide, and when he has decided, firmness and self-control to hold to his deliberate decision.

  John Stuart Mill

  Self, Decision, Apes

  John Stuart Mill (1865). “On Liberty”, p.34

• It appears, then, to be a condition of a genuinely scientific hypothesis, that it be not destined always to remain an hypothesis, but be certain to be either proved or disproved by.. .comparison with observed facts.

  John Stuart Mill

  Science, Destiny, Facts

  John Stuart Mill (1856). “A System of Logic, Ratiocinative and Inductive: Being a Connected View of the Principles of Evidence and the Methods of Scientific Investigation”, p.293

• The process of tracing regularity in any complicated, and at first sight confused, set of appearances, is necessarily tentative; we begin by making any supposition, even a false one, to see what consequences will follow from it ; and by observing how these differ from the real phenomena, we learn what corrections to make in our assumption.

  John Stuart Mill

  Confused, Real, Science

  John Stuart Mill (1856). “A System of Logic, Ratiocinative and Inductive, Being a Connected View of the Principles, and the Methods of Scientific Investigation”, p.16

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