“I fully agree with all that you say on the advantages of H. Spencer's excellent expression of 'the survival of the fittest.'… — Charles Darwin Copy Share Image
“The publication of the Darwin and Wallace papers in 1858, and still more that of the 'Origin' in 1859, had the effect… — Thomas Henry Huxley Copy Share Image
“This survival of the fittest implies multiplication of the fittest. { The phrase 'survival of the fittest' was not originated by Charles… — Herbert Spencer Copy Share Image
