Felix Frankfurter,
Smith v. California (361 U.S. 147…
“ If, as I assume, the requirement of scienter in an obscenity prosecution like the one before us does not mean that the bookseller must have read the book or must substantially know its contents on the one hand, nor on the other that he can exculpate himself by studious avoidance of knowledge about its contents, then, I submit, invalidating an obscenity statute because a State dispenses altogether with the requirement of scienter does require some indication of the scope and quality of scienter that is required. ”
