Karl Pearson Quote

Scientific ignorance may... either arise from an insufficient classification of facts, or be due to the unreality of the facts with which science has been called upon to deal.

The Grammar of Science (2nd edition), Chapter I (p. 22)

Scientific ignorance may... either arise from an insufficient classification of facts, or be due to the unreality of the facts with which science has ...

Scientific ignorance may... either arise from an insufficient classification of facts, or be due to the unreality of the facts with which science has ...

Scientific ignorance may... either arise from an insufficient classification of facts, or be due to the unreality of the facts with which science has ...

Scientific ignorance may... either arise from an insufficient classification of facts, or be due to the unreality of the facts with which science has ...