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...there are the ideas of the future, of which some are already approaching realization and are obliging people to change their way of life and to struggle against the former ways: such ideas in our world as those of freeing the laborers, of giving equality to women, of disusing flesh food, etc.; while others, though already recognized, have not yet come into practical conflict with the old forms of life: such in our times are the ideas (which we call ideals) of the extermination of violence, the arrangement of a communal system of property, of a universal religion, and of a general brotherhood of men.