Albert Einstein once said, "The definition of insanity is doing the same thing over and over again and expecting different results". Epperson v. Arkansas , 393 U.S. 97 (1968), was a United States Supreme Court case that invalidated an Arkansas statute that prohibited the teaching of human evolution in the public schools. The Court held that the First Amendment to the United States Constitution prohibits a state from requiring, in the words of the majority opinion, "that teaching and lear...