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TWO:As no motion except rotary can be continuous, and as rotary movement of tools is almost exclusively confined to shaping cylindrical pieces, a proper distinction between machine tools which operate in straight lines, and those which operate with circular movement, will be to call them by the names of rotary and reciprocating.A strong desire for reform must always be preceded by a deep dissatisfaction with things as they are; and if the reform is to be very sweeping the discontent must be equally comprehensive. Hence the great renovators of human life have been remarkable for the severity with which they have denounced the failings of the world where they were placed, whether as regards persons, habits, institutions, or beliefs. Yet to speak of their attitude as pessimistic would either be unfair, or would betray an unpardonable inability to discriminate between two utterly different theories of existence. Nothing can well be more unlike the systematised pusillanimity of those lost souls, without courage and without hope, who find a consolation for their own failure in the belief that everything193 is a failure, than the fiery energy which is drawn into a perpetual tension by the contrast of what is with the vision of what yet may be. But if pessimism paralyses every generous effort and aspiration by teaching that misery is the irremediable lot of animated beings, or even, in the last analysis, of all being, the opposing theory of optimism exercises as deadly an influence when it induces men to believe that their present condition is, on the whole, a satisfactory one, or that at worst wrong will be righted without any criticism or interference on their part. Even those who believe progress to have been, so far, the most certain fact in human history, cannot blind themselves to the existence of enormous forces ever tending to draw society back into the barbarism and brutality of its primitive condition; and they know also, that whatever ground we have won is due to the efforts of a small minority, who were never weary of urging forward their more sluggish companions, without caring what angry susceptibilities they might arouse��risking recrimination, insult, and outrage, so that only, under whatever form, whether of divine mandate or of scientific demonstration, the message of humanity to her children might be delivered in time. Nor is it only with immobility that they have had to contend. Gains in one direction are frequently balanced by losses in another; while at certain periods there is a distinct retrogression along the whole line. And it is well if, amid the general decline to a lower level, sinister voices are not heard proclaiming that the multitude may safely trust to their own promptings, and that self-indulgence or self-will should be the only law of life. It is also on such occasions that the rallying cry is most needed, and that the born leaders of civilisation must put forth their most strenuous efforts to arrest the disheartened fugitives and to denounce the treacherous guides. It was in this aspect that Plato viewed his age; and he set himself to continue the task which Socrates had attempted, but had been trampled down in endeavouring to achieve. ONE:

Blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident.

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