Felix Frankfurter,
National Labor Relations Board v…
“ According to an early English judge, 'The devil himself knoweth not the mind of man', and a modern reviewing court is not much better equipped to lay bare unexposed mental processes. It is a grave responsibility to conclude that in admitting the testimony of the Company's employees, the Board went through a mere pretense of obedience to the Court's direction, and heard the testimony with a deaf ear and a closed mind. ”
