Ray Lankester, in his book Nature and Man, deals with the states of man and nature. In this book, he shows the similarities between them and explains why their union was so important for the whole human race. When discussing Darwinism, he questions its epistemological foundations and criticizes the stage-stage theory of evolution. Ray Lankester concludes by giving us a glimpse into the future of humanity and our planet: “It seems to me that this marvelous endowment would be all turned to good account if we did not allow ourselves to be easily led astray by ideas of a possible future…we should rather insist on increasing our knowledge within due limits, anxious not so much to extend its scope as to increase our capacity for dealing with problems as they arise”
