"The entire life of the personal ego is continually in the grip of wanting, i. e., an attempt to seek fulfilment of desires through things that change and vanish. But there can be no real fulfilment through the transient things"

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Geology is rapidly taking its place as an introduction to the higher history of man. If the author has sought to exalt a favorite science, it has been with the desire that man-in whom geological history had its consummation, the prophecies of the successive ages their fulfilment-might better comprehend his own nobility and the true purpose of his existence.

— James Dwight Dana