"Four Millions of people heretofore declared by the highest tribunal in the land, not citizens of the United States, nor eligible to become so, voters in every part of the land, the right not to be abridged by any state, is indeed a measure of grander importance than any other one act of the kind from the foundation of our free government to the present day . . . The adoption of the 15th Amendment . . . constitutes the most important event that has occurred, since the nation came into life." It was a stunning statement of Grant's faith in the new black electorate. He further urged Congress to promote popular education so that "all who possess and exercise political rights, shall have the opportunity to acquire the knowledge which will make their share in the government a blessing."