Respectfully Quoted: A Dictionary of Quotations. 1989.
Louis Dembitz Brandeis (18561941)
It is one of the happy incidents of the federal system that a single courageous State may, if its citizens choose, serve as a laboratory; and try novel social and economic experiments without risk to the rest of the country.
Justice LOUIS D. BRANDEIS, dissenting, New State Ice Co. v. Liebmann, 285 U.S. 311 (1932).