A specialist's mind is a slave to his specialization.

I often wonder why the whole world is so prone to generalise. Generalisations are seldom if ever true and are usually utterly inaccurate.

In displaying the psychology of your characters, minute particulars are essential. God save us from vague generalizations!, May 10, 1886)

General notions are generally wrong.

Intellectuals ... regard over-simplification as the original sin of the mind and have no use for the slogans, the unqualified assertions and sweeping generalizations.

Intellectual generalities are always interesting, but generalities in morals mean absolutely nothing.

The cause of all human evils is the not being able to apply general principles to special cases.

All generalizations are false, including this one.

Given a thimbleful of facts we rush to make generalizations as large as a tub.