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We may consequently state the fundamental theorem of Natural Selection in the form : The rate of increase in fitness of any organism at any time is equal to its genetic variance in fitness at that time.

— Ronald Fisher The Genetical Theory of Natural Selection (1930)

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More quotes by Ronald Fisher

No efforts of mine could avail to make the book easy reading.

The Genetical Theory of Natural Selection (1930)

To consult the statistician after an experiment is finished is often merely to ask him to conduct a post mortem examination. He can perhaps say what the experiment died of.

The analysis of variance is not a mathematical theorem, but rather a convenient method of arranging the arithmetic.

Fairly large print is a real antidote to stiff reading.

Available scientific knowledge provides a firm basis for believing that the groups of mankind differ in their innate capacity for intellectual and emotional development.

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