equal opportunity and unitty of purpose and education. the life of the mind and the spirit, art and poetry, service to one's country and the courage to move forward into the future. the cause of peace on earth. his was the inspiring summons to serve, to hard work and worthy accomplishment and a summons we long for. he was an optmist and he said so. and there was nothing, no sidestepping reality in what he said. no resorting to sail old platitudes and he spoke to the point and with confidence. and he knew words mattered. his words changed lives. his words changed history. rarely has a commander in chief addressed the nation with such command of language. much to be said applies now no less than half a century continue and continue to be taken to heart far into the future. gone but not forgotten is the old expression for departed heroes, and if not forgotten, they are not gone. on this day especially, and at this place, let us listen again to some of what john f. kennedy said. the new frontier which i speak is not a set of promises. it is a