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True science is distinctively the study of useless things. For the useful things will get studied without the aid of scientific men.

— Charles Sanders Peirce

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More quotes by Charles Sanders Peirce

The entire universe is perfused with signs, if it is not composed exclusively of signs.

Essays in Zoosemiotics (1990)

The idea does not belong to the soul; it is the soul that belongs to the idea.

Collected Papers (1931)

Mere imagination would indeed be mere trifling; only no imagination is mere.

Collected Papers (1931)

A sign is in a conjoint relation to the thing denoted and to the mind.

On The Algebra of Logic (1885)

It is important to understand what I mean by semiosis.

Pragmatism (1907)

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The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents.

H. P. Lovecraft The Call of Cthulhu (1926)

All religions, arts and sciences are branches of the same tree. All these aspirations are directed toward ennobling man's life, lifting it from the sphere of mere physical existence and leading the individual towards freedom.

Albert Einstein Moral Decay (1937)

Science and religion are two human enterprises sharing many features.

Freeman Dyson Infinite in All Directions (1988)

To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection.

Henri Poincaré Science and Hypothesis (1901)

Attribution

Quote text and notes from Wikiquote: Charles Sanders Peirce (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.