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He unified the forms of measurement which had previously been treated as the separate subjects of geometry, astronomy, and the newly-born science of dynamics. Celestial mechanics embraces all three, and is a fresh and decisive proof of the commanding influence of the heavenly bodies on human life and thought.

These are the dynamics, the hyperkinetic, the Rooseveltian strenuous the busy people, always able to do more. The modern American life holds this type as an ideal, though it is quite questionable whether these rather over-busy people do not lose in reflective and creative ability. The rushing stream turns the wheels of the mills, but it is too strenuous for stately ships.

But we must first amplify the definition of perspectives and biographies. In our illustration of the actor, we spoke, for the moment, as though each spectator's mind were wholly occupied by the one actor. If this were the case, it might be possible to define the biography of one spectator as a series of successive aspects of the actor related according to the laws of dynamics.

This fact gives English verse an entirely different slant and has determined the development of its poetic forms, is still responsible for the evolution of new forms. Neither stress nor syllabic weight is a very keen psychologic factor in the dynamics of French. The syllable has great inherent sonority and does not fluctuate significantly as to quantity and stress.

His capital garrisoned by the Pope and the King of Spain, with its grandees and its populace scoffing at his pretence of authority and loathing his name; with an exchequer consisting of what he could beg or borrow from Queen Elizabeth most parsimonious of sovereigns reigning over the half of a small island and from the States-General governing a half-born, half-drowned little republic, engaged in a quarter of a century's warfare with the greatest monarch in the world; with a wardrobe consisting of a dozen shirts and five pocket-handkerchiefs, most of them ragged, and with a commissariat made up of what could be brought in the saddle-bags of his Huguenot cavaliers who came to the charge with him to-day, and to-morrow were dispersed again to their mountain fastnesses; it did not seem likely on any reasonable theory of dynamics that the power of the Bearnese was capable of outweighing Pope and Spain, and the meaner but massive populace of France, and the Sorbonne, and the great chiefs of the confederacy, wealthy, long descended, allied to all the sovereigns of Christendom, potent in territorial possessions and skilful in wielding political influences.

Further on he points out that after Archimedes, who discovered the law of equilibrium of the lever, statics made no progress until the establishment of dynamics enabled us to seek "the conditions of equilibrium through the laws of the composition of forces." And he adds "At this day this is the method universally employed.

As for myself, the most pertinacious conviction which these movements forced on me was that, whatever elements of justice and truth might lurk in them, they were based on wild distortions of historical and statistical facts, or on an ignorance even more remarkable of the actual dynamics of industry, of the powers of the average worker, and of the motives by which he is actuated.

Every sound, being a mark of a particular oscillatory motion, became a mark of everything which, by the laws of dynamics, was known to be inferrible from that motion; and everything which by those same laws was a mark of any oscillatory motion among the particles of an elastic medium, became a mark of the corresponding sound.

Since the time of the carpenter-mason of Salbris, who, in the sixteenth century, without other helper than a child, his son, with ill-fashioned tools, in the chamber of the great clock at La Charité-sur-Loire, resolved at one stroke five or six problems in statics and dynamics inextricably intervolved since the time of that grand and marvellous achievement of the poor workman, who found means, without breaking a single piece of wire, without throwing one of the teeth of the wheels out of gear, to lower in one piece, by a marvellous simplification, from the second story of the clock tower to the first, that massive clock, large as a room, nothing that could be compared with the project which Gilliatt was meditating had ever been attempted.

Dynamics declares that the rich man need only give a penny to every pound that has to be extorted from the poor man. Now this is precisely the case with regard to the sun and Jupiter, and it involves a somewhat curious consequence. As long as Jupiter possesses available moment of momentum, we may be certain that no large contribution of moment of momentum has been obtained from the sun.