There are people who think that science with all its splendid achievements is nevertheless materialistic, and that it cannot by itself, no matter how well organized, advance the spiritual welfare of a nation. Some even go so far as to maintain that national endeavors in the direction of very extensive scientific research and very elaborate scientific training are apt to interfere seriously with the spiritual development of our national life. This is particularly true of people who are stirred up, from time to time, by imaginary conflicts between science and religion. I may be permitted here to state briefly how science, as I see it cultivated by the men who are associated in the National Research Council, will contribute to the spiritual welfare of our nation by describing briefly some of its ideals. Fifty years ago Tyndall, as I have already mentioned, came to America and helped to start the great scientific movement which has culminated in the organization of the National Research Council. At that time Andrew White, the famous president of Cornell, spoke the following historic words in behalf of this historic movement, which I have been watching since its very beginning, and actively aiding whenever an opportunity presented itself: Now, sir, I maintain that the true spirit of the scientific research, embracing as it does zeal in search for truth, devotion to duty, which such a search imposes, faith in good, as the normal and necessary result of such a search ... that such a spirit is, at this moment, one of the most needed elements in the political progress of our country. What I maintain, then, is, that this zeal for truth as truth, this faith in the good forever allied to the truth, this devotion to duty, as the result of such faith and zeal, constitute probably the most needed element at this moment in the political regeneration of this country, and that, therefore, the example of our little army of true devotees of science has an exceeding preciousness. Their zeal, their devotion, their faith, furnish one of those very protests which are most needed against that low tone of political ideas which in its lower strata is political corruption. Their life gives that very example of a high spirit, aim, and work, which the time so greatly needs.