Living organisms are distinguished by their specified complexity Leslie Orgel More Quotes by Leslie Orgel More Quotes From Leslie Orgel There is no agreement on the extent to which metabolism could develop independently of a genetic material. In my opinion, there is no basis in known chemistry for the belief that long sequences of reactions can organize spontaneously -- and every reason to believe that they cannot. The problem of achieving sufficient specificity, whether in aqueous solution or on the surface of a mineral, is so severe that the chance of closing a cycle of reactions as complex as the reverse citric acid cycle, for example, is negligible. Leslie Orgel origin-of-life agreement believe Evolution is smarter than you are. Leslie Orgel smarter evolution