 Such deep homology provided strong evidence for evolution and indicated the paths that evolution had taken.In 1982, a historical note on a series of evolutionary biology books could state without qualification that evolution is the central organizing principle of biology.Smocovitis commented on this that "What the architects of the synthesis had worked to construct had by 1982 become a matter of fact", adding in a footnote that "the centrality of evolution had thus been rendered tacit knowledge, part of the received wisdom of the profession".