The Life of Reason: The Phases of Human Progress. George Santayana

passions. Such articulate interests can be shared; and the infinite vistas they open up can be pursued for ever with the knowledge that a work long ago begun is being perfected and that an ideal is being embodied which need never be outworn.

      Nature and human nature.

      So long as external conditions remain constant it is obvious that the greater organisation a being possesses the greater strength he will have. If indeed primary conditions varied, the finer creatures would die first; for their adaptation is more exquisite and the irreversible core of their being much larger relatively; but in a constant environment their equipment makes them irresistible and secures their permanence and multiplication. Now man is a part of nature and her organisation may be regarded as the foundation of his own: the word nature is therefore less equivocal than it seems, for every nature is Nature herself in one of her more specific and better articulated forms. Man therefore represents the universe that sustains him; his existence is a proof that the cosmic equilibrium that fostered his life is a natural equilibrium, capable of being long maintained. Some of the ancients thought it eternal; physics now suggests a different opinion. But even if this equilibrium, by which the stars are kept in their courses and human progress is allowed to proceed, is fundamentally unstable, it shows what relative stability nature may attain. Could this balance be preserved indefinitely, no one knows what wonderful adaptations might occur within it, and to what excellence human nature in particular might arrive. Nor is it unlikely that before the cataclysm comes time will be afforded for more improvement than moral philosophy has ever dreamed of. For it is remarkable how inane and unimaginative Utopias have generally been. This possibility is not uninspiring and may help to console those who think the natural conditions of life are not conditions that a good life can be lived in. The possibility of essential progress is bound up with the tragic possibility that progress and human life should some day end together. If the present equilibrium of forces were eternal all adaptations to it would have already taken place and, while no essential catastrophe would need to be dreaded, no essential improvement could be hoped for in all eternity. I am not sure that a humanity such as we know, were it destined to exist for ever, would offer a more exhilarating prospect than a humanity having indefinite elasticity together with a precarious tenure of life. Mortality has its compensations: one is that all evils are transitory, another that better times may come.

      Human nature formulated.

      Human nature, then, has for its core the substance of nature at large, and is one of its more complex formations. Its determination is progressive. It varies indefinitely in its historic manifestations and fades into what, as a matter of natural history, might no longer be termed human. At each moment it has its fixed and determinate entelechy, the ideal of that being's life, based on his instincts, summed up in his character, brought to a focus in his reflection, and shared by all who have attained or may inherit his organisation. His perceptive and reasoning faculties are parts of human nature, as embodied in him; all objects of belief or desire, with all standards of justice and duty which he can possibly acknowledge, are transcripts of it, conditioned by it, and justifiable only as expressions of its inherent tendencies.

      Its concrete description reserved for the sequel.

      This definition of human nature, clear as it may be in itself and true to the facts, will perhaps hardly make sufficiently plain how the Life of Reason, having a natural basis, has in the ideal world a creative and absolute authority. A more concrete description of human nature may accordingly not come amiss, especially as the important practical question touching the extension of a given moral authority over times and places depends on the degree of kinship found among the creatures inhabiting those regions. To give a general picture of human nature and its rational functions will be the task of the following books. The truth of a description which must be largely historical may not be indifferent to the reader, and I shall study to avoid bias in the presentation, in so far as is compatible with frankness and brevity; yet even if some bias should manifest itself and if the picture were historically false, the rational principles we shall be trying to illustrate will not thereby be invalidated. Illustrations might have been sought in some fictitious world, if imagination had not seemed so much less interesting than reality, which besides enforces with unapproachable eloquence the main principle in view, namely, that nature carries its ideal with it and that the progressive organisation of irrational impulses makes a rational life.

End of Volume I

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