None of the raw material of the world has smooth logical properties, but whatever appears to have such properties is constructed artificially to have them.


The Principles of Mathematics, Preface (p. xi), W.W. Norton & Company, Inc. 1938

Bertrand Russell Quotes

None of the raw material of the world has smooth logical properties, but whatever appears to have such properties is constructed artificially to have ...

None of the raw material of the world has smooth logical properties, but whatever appears to have such properties is constructed artificially to have ...

None of the raw material of the world has smooth logical properties, but whatever appears to have such properties is constructed artificially to have ...

None of the raw material of the world has smooth logical properties, but whatever appears to have such properties is constructed artificially to have ...