“Holmes helped move American legal thinking towards legal realism, as summed up in his maxim: "The life of the law has not been logic; it has been experience."[2] Holmes espoused a form of moral skepticism and opposed the doctrine of natural law, marking a significant shift in American jurisprudence. As he wrote in one of his most famous decisions, his dissent in Abrams v. United States (1919), he regarded the United States Constitution as "an experiment, as all life is an experiment" ”
