Bad Philosophy

Bad philosophy [is] philosophy that actively prevents the growth of knowledge. — David Deutsch, The Beginning of Infinity: Explanations That Transform the World
Interpretation [is] the explanatory part of a scientific theory, supposedly distinct from its predictive or instrumental part. — David Deutsch, The Beginning of Infinity: Explanations That Transform the World
Positivism [is] the bad philosophy that everything not ‘derived from observation’ should be eliminated from science. — David Deutsch, The Beginning of Infinity: Explanations That Transform the World
Logical positivism [is] the bad philosophy that statements not verifiable by observation are meaningless. — David Deutsch, The Beginning of Infinity: Explanations That Transform the World