Richard GoldschmidtThe decisive step in evolution, the first step toward macroevolution, the step from one species to another, requires another evolutionary method than that of sheer accumulation of… ▶377Truth
Richard GoldschmidtI have accumulated a wealth of knowledge in innumerable spheres and enjoyed it as an always ready instrument for exercising the mind and penetrating further and further. Best of a… ▶301LifeLoveReading
Richard GoldschmidtIt's impossible by micro-mutation to form any new species.238Death
Richard GoldschmidtWe have long been seeking a different kind of evolutionary process and have now found one; namely, the change within the pattern of the chromosomes. ... The neo-Darwinian theory o… ▶195Thought
Richard GoldschmidtThe facts of microevolution [change within the species] do not suffice for an understanding of macroevolution [theorized change from one species to another].198Truth
Richard GoldschmidtIt is good to keep in mind ... that nobody has ever succeeded in producing even one new species by the accumulation of micromutations. Darwin's theory of natural selection has nev… ▶155Thought