የዘመኑን ግብር ከፍሎ የሙያ እና የንግድ ፍቃዱን ያሳደሰ ድርጅቱ የተሻለ መንገድ ካገኘ ጨረታውን በሙሉም ሆነ በከፊል የመሰረዝ መብቱ የተጠበቀ ነው።
For, as has been pointed out, it is a necessary consequence of the theory of Selection that every species must have some one or more structural or functional peculiarities, in virtue of the advantage conferred by which it has fought through the crowd of its competitors and achieved a certain duration.