With this reasoning the Supreme Court specifically categorized the Pledge as secular, contrasting it to the religious exercises under consideration. The Court held that if, as the states claimed, Bible reading and "The Lord's Prayer" were being used to achieve secular ends ("fostering harmony and tolerance among the pupils") than "it would seem that less sensitive materials might equally well serve the same purpose. ... It has not been shown that readings from the speeches and messages of great Americans, for example, or from the documents of our heritage of liberty, daily recitation of the Pledge of Allegiance, or even the observance of a moment of reverent silence at the opening of class, may not adequately serve the solely secular purposes of the devotional activities without jeopardizing either the religious liberties of any members of the community or the proper degree of separation between the spheres of religion and government. Such substitutes would, I think, be unsatisfactory or inadequate only to the extent that the present activities do in fact serve religious goals. While I do not question the judgment of experienced educators that the challenged practices may well achieve valuable secular ends, it seems to me that the State acts unconstitutionally if it either sets about to attain even indirectly religious ends by religious means, or if it uses religious means to serve secular ends where secular means would suffice."