Charles Darwin, Letter to Henry Fawcett (Sept. 18, 1861) in Life of Henry Fawcett (1885) pp. 100-101, and in More Letters of Charles Darwin: a Record of his Work in a Series of hitherto Unpublished Letters (1903) Vol. 1, p. 195, ed., Sir Francis Darwin, Albert Charles Seward.
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About thirty years ago there was much talk that geologists ought only to observe and not theorise; and I well remember some one saying that at this rate a man might as well go into a gravel-pit and count the pebbles and describe the colours. How odd it is that anyone should not see that all observation must be for or against some view if it is to be of any service!

— Charles Darwin on Theory

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "About thirty years ago there was much talk that geologists ought only to observe and not theorise; and I well remember some one saying that at this rate a man might as well go into a gravel-pit and count the pebbles and describe the colours. How odd it is that anyone should not see that all observation must be for or against some view if it is to be of any service!" in the context of "Charles Darwin, Letter to Henry Fawcett (Sept. 18, 1861) in Life of Henry Fawcett (1885) pp. 100-101, and in More Letters of Charles Darwin: a Record of his Work in a Series of hitherto Unpublished Letters (1903) Vol. 1, p. 195, ed., Sir Francis Darwin, Albert Charles Seward." to mean that wisdom is timeless.

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Source: Wikiquote: "Theory" (Quotes: Quotes are arranged in chronological order, 19th century: in chronological order) The 'What it means' explanation text was generated by Google Gemini Flash (accessed January 18, 2026). https://gemini.google.com/app
Charles Darwin

About Charles Darwin

Charles Robert Darwin (12 February 1809 – 19 April 1882) was an English naturalist, geologist and biologist, best known for his contributions to the science of evolution. He proposed that evolution could be explained in part through natural and sexual selection. Prompted by awareness that Alfred Russel Wallace was developing similar theories he published his own sooner than he had originally intended. This theory is now an integral component of biological science.