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268. This is the contribution of Science to the theory of human life. But because Science stops here she does not lay any veto on thought, desire, or hope. She lays a foundation; it is for us to build thereon "gold, silver, precious stones, wood, hay, stubble," each of us according to our own impulse and upon our own responsibility. The fire of experience will "try every man's work of what sort it is." But not only may we build, we must build; no one can live upon another man's philosophy. We may adopt this creed or that, but it means nothing to us till we have worked it over in our own mind and made it our own—with modifications.

There is nothing whatever in science that conflicts with the ideal. Strictly speaking, science brings us to the threshold of the ideal, and leaves us there. "These are the facts of life," it says; "such has been the course of human history. The human race has risen from humble origins to its present commanding position in the world; and to-day the standards of human conduct and the conditions of human happiness are very different from what they were in the distant past. Social ties have multiplied and strengthened. Domestic affections have grown in depth and tenderness, and individual happiness is now bound up to a very large extent in the happiness of other individuals. The cruel superstitions of the past have given way in many minds to a reverent regard for a power which is felt to rule in the universe. Of such a power Science can not render any exact account; but before all the ultimate questions of existence Science is dumb; nor can it attempt to reconcile the antinomies which assert themselves in all phenomena. It is for you, the individual, entering upon life, to make your choice of the course you shall hold and the principles by which you shall be governed. The senses are the guides to immediate pleasure, but the experience of the ages has settled with considerable approach to certainty the conditions on which enduring happiness is to be won.

 'Choose well; your choice is Brief and yet endless.'"

To the man who insists on being knocked down with a club before he will yield to persuasion there is nothing in such a mode of address that will be convincing. This is a case in which, as Pascal says, "there is enough light for those who desire to see, and enough obscurity for those who want a pretext for not seeing.… Perfect clearness might help the understanding, but it would injure the will." There is, therefore, room on the scientific foundation for the idealism of Dr. Crozier, and for many other forms of idealism. It is for each one of us to construct his own ideal, and, having constructed it, to live by it. "If any man's work abide he shall receive a reward."

interesting papers contributed to this magazine by Prof. William Z. Ripley, which, we are glad to say, will soon be published in a more permanent form, indicate very clearly the remarkable progress that has been made of late years in the scientific study of human origins. Formerly legend and tradition were the only sources of light upon prehistoric times; and the sagacious Thucydides dismissed all speculation respecting those ages with the curt remark that he did not think the people who lived then amounted to much, any way. No doubt he was nearer right in this opinion than were those who peopled antiquity with demigods and heroes; still there was much of interest to be gleaned respecting the prehistoric